"upgrade" failed on windows, because of lower_case_table_name.
This fix changes letters to lower case, not to depend on OS.

Note, this change does not affect coverage of 
Bug N 17142 "Crash if create with encoded name",
which the test war originally written for.

into  mysql.com:/usr/home/bar/mysql-5.1-new.b18285

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

 - Part 1, better handling of subprocess and stdout to be done

into  mysql.com:/home/jimw/my/mysql-5.1-clean

into  c-4908e253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug18750

- Terminate loop not only when the limit is met, but alse when there is no more stmts  

 - Add more printouts it depending on verbose level
 - New common function 'run_query' to be used when executing a query

into  mysql.com:/home/jimw/my/mysql-5.1-clean

into  mysql.com:/usr/home/bar/mysql-5.1-new.b18285

into  linux.site:/home/marty/MySQL/mysql-5.1-new

into  c-4908e253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug18750

into  mysql.com:/home/alexi/bugs/mysql-5.1-13683

Don't use the MYSQL* returned from mysql_real_connect to overwrite the already initalised mysql variable

into  c-4908e253.1238-1-64736c10.cust.bredbandsbolaget.se:/home/pappa/bug18750

into  linux.site:/home/marty/MySQL/mysql-5.1-new

into  mysql.com:/usr/home/bar/mysql-5.1-new.b18285

Remove the my_seek calls as we have just opened the file for append with O_APPEND and the file pointer should be at end of the file already.

into  shellback.:C:/mysql/my51-bug17368

Open and seek to end of data_file after rename 
Fix comment for when file does not need repair.
Set share->mapped_file to NULL always when it's been unmapped 
Add test to see that file can be used after repair

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

into  mysql.com:/usr/home/bar/mysql-5.1-new

ExtractValue didn't understand tag and attribute names
consisting of "tricky" national letters (e.g. latin accenter letters).
It happened because XPath lex parser recognized only basic
latin letter a..z ad a part of an identifier.

Fixed to recognize all letters by means of new "full ctype" which
was added recently.

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

Add surrounding braces, move invalidate dictionary_cace to after declaration of variable "table_list"

into  neptunus.(none):/home/msvensson/mysql/mysql-5.1

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0

into  mysql.com:/home/jimw/my/mysql-5.1-clean

into  rurik.mysql.com:/home/igor/mysql-5.1

into  zim.(none):/home/brian/mysql/dep-5.1