* fixed several crash candidates with EditorColourSet while hunting a crash bug

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9819 2a5c6006-c6dd-42ca-98ab-0921f2732cef
* pumped (wx)Scintilla to v3.4.3+ (mercurial HEAD) to fix several crashes experienced lately

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9820 2a5c6006-c6dd-42ca-98ab-0921f2732cef
* reverted r9820 in favor of a dedicated fix for the issue reported here: http://forums.codeblocks.org/index.php/topic,19325.msg132513.html (for the rest its not prime-time yet - it may lead to white editors on Windows, at least)

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9821 2a5c6006-c6dd-42ca-98ab-0921f2732cef