Updated zlib to 1.2.8

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Upgraded to scintilla 3.3.1

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Synced backgroundcolors.patch with TortoiseSVN revision #24143

Signed-off-by: Sven Strickroth <email@cs-ware.de>
applied backgroundcolors.patch

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Merge branch 'scintilla-3.3.1'
Added workaround for VS2012 Update2 bug on XP

See here for details about the bug:
http://tedwvc.wordpress.com/2013/04/14/how-to-get-visual-c-2012-update-2-statically-linked-applications-to-run-on-windows-xp/

Based on TortoiseGit revision #24123.

(fixes issue #1759)

Signed-off-by: Sven Strickroth <email@cs-ware.de>
Fixed issue #1757: Compare single new file against working tree

Signed-off-by: Sven Strickroth <email@cs-ware.de>