Fix uninitialized variable, causing compiler warning

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4550 560a3889-bb33-0410-9f33-43a8a102dc09
Introduce compressed .sql file export. Using SynZip unit from mORMot framework. Fixes issue #3354.

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4551 560a3889-bb33-0410-9f33-43a8a102dc09
Revert r4538 (ctrl backspace bug), as this broke tabbing through grid cells. See issue #3168.

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4552 560a3889-bb33-0410-9f33-43a8a102dc09
Issue #3354: Give the temporary .sql file a more unique filename, and delete it after compressing.

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4553 560a3889-bb33-0410-9f33-43a8a102dc09
Move non-visual components so they do not hide controls in the form designer 

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4554 560a3889-bb33-0410-9f33-43a8a102dc09
Make completion proposal usable for mouse users again, after mainform has focus again. Broken in r4530. See issue #2640.

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4555 560a3889-bb33-0410-9f33-43a8a102dc09
Fix "save snippet" action, saving only selected text in all cases. Broken in r4539.

git-svn-id: http://heidisql.googlecode.com/svn/trunk@4556 560a3889-bb33-0410-9f33-43a8a102dc09