Improve mail texts

The text should start with capital letter.
Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/html/mail/changed_translation.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there has been a change in translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a change in translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 </p>
 
 <table>

weblate/html/mail/changed_translation.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{%trans "Hi,"%}
 
-{% blocktrans %}there has been a change in translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a change in translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Source string:" %}
 

weblate/html/mail/merge_failure.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there has been a merge failure on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a merge failure on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
 <p>
 
 

weblate/html/mail/merge_failure.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there has been a merge failure on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a merge failure on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Error message:" %}
 

weblate/html/mail/new_comment.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there has been a new comment on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a new comment on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
 </p>
 
 <table>

weblate/html/mail/new_comment.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there has been a new comment on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a new comment on {{ subproject }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Source string:" %}
 

weblate/html/mail/new_contributor.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans with user.first_name as username %}{{ username }} has just made a first contribution on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans with user.first_name as username %}User {{ username }} has just made a first contribution on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 <p>
 
 {% include "mail/footer.html" %}

weblate/html/mail/new_contributor.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans with user.first_name as username %}{{ username }} has just made a first contribution on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans with user.first_name as username %}User {{ username }} has just made a first contribution on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% endfilter%}{% endautoescape %}{% include "mail/footer.txt" %}

weblate/html/mail/new_language.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there has been a request for new language on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a request for new language on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 </p>
 
 <p>

weblate/html/mail/new_language.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there has been a request for new language on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a request for new language on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Please add the language file to VCS, Weblate will automatically discover it on next update." %}
 

weblate/html/mail/new_string.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there are new strings to translate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There are new strings to translate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 <p>
 
 {% include "mail/footer.html" %}

weblate/html/mail/new_string.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there are new strings to translate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There are new strings to translate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% endfilter%}{% endautoescape %}{% include "mail/footer.txt" %}

weblate/html/mail/new_suggestion.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there is a new suggestion to evaluate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There is a new suggestion to evaluate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 <p>
 
 <table>

weblate/html/mail/new_suggestion.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there is a new suggestion to evaluate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There is a new suggestion to evaluate on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Source string:" %}
 

weblate/html/mail/new_translation.html

@@ -8,7 +8,7 @@
 </p>
 
 <p>
-{% blocktrans %}there has been a new translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a new translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 </p>
 
 <table>

weblate/html/mail/new_translation.txt

 {% load i18n %}{% load translations %}{% autoescape off %}{% filter wordwrap:72 %}{% trans "Hi," %}
 
-{% blocktrans %}there has been a new translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
+{% blocktrans %}There has been a new translation on {{ translation }} at {{ site_title }}.{% endblocktrans %}
 
 {% trans "Source string:" %}