Revert "Simplify setup by sharing common settings in global environment"

This reverts commit 1031bcb3.

It really does not work as travis ignores global variables which are
used in matrix as well.
Signed-off-by: Michal Čihař <michal@cihar.com>

.travis.yml

@@ -7,17 +7,14 @@ python:
 # - Run Selenium tests on current Django
 # - Run pylint/pep8 checker
 env:
-  global:
-    - TRAVIS_DATABASE=sqlite
-    - TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"
   matrix:
-    - DJANGO_PIP="Django" DO_LINT=1
-    - DJANGO_PIP="Django>=1.5,<1.6" TRAVIS_RUN_TESTS="trans lang accounts"
-    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=mysql
-    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=postgresql
-    - DJANGO_PIP="Django>=1.6,<1.7"
-    - DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/"
-    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_RUN_TESTS="weblate.trans.tests.test_selenium" DO_SELENIUM=1
+    - DJANGO_PIP="Django" TRAVIS_DATABASE=sqlite DO_LINT=1
+    - DJANGO_PIP="Django>=1.5,<1.6" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="trans lang accounts"
+    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=mysql TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"
+    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=postgresql TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"
+    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"
+    - DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"
+    - DJANGO_PIP="Django>=1.6,<1.7" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="weblate.trans.tests.test_selenium" DO_SELENIUM=1
   global:
 # Sauce labs setup
     - secure: "W4EtqCQSbSWb2sDwHd0obttzUTKIPyFZE90qD+YdV76YLgIK7QX4Vc6Hx9fRRNy397h4RrYIzyU2vemGIR5j8cR16Y6MyJ8Fy4DyC2mHyo3T7Tx4/cJYTQDPF2G4kxjR+vmhsdQIdmaYLsjtb2C2M0aIkU8FGFv6D3+TXqsoOmI="
@@ -53,4 +50,4 @@ after_script:
 matrix:
   allow_failures:
     - python: "2.7"
-      env: DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/"
+      env: DJANGO_PIP="https://www.djangoproject.com/download/1.7c2/tarball/" TRAVIS_DATABASE=sqlite TRAVIS_RUN_TESTS="weblate.trans weblate.lang weblate.accounts"