* wxSmith-plugin: make windows and linux projectfiles consistent, remove unneeded source/header-files

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9782 2a5c6006-c6dd-42ca-98ab-0921f2732cef
* build-fix for CentOS/Redhat 5 and 6

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9783 2a5c6006-c6dd-42ca-98ab-0921f2732cef
* codecompletion-plugin: fix potential crash-candidate (I had a crash here on close with wxWidgets dynamic aui-branch)

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9784 2a5c6006-c6dd-42ca-98ab-0921f2732cef
- CC: refine comments on how to collect system header files. (no functional changes)

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9785 2a5c6006-c6dd-42ca-98ab-0921f2732cef
- CC: comments added for ClassBrowser and ClassBrowserBuilderThread. Fix typos in comments. (no functional changes)

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9786 2a5c6006-c6dd-42ca-98ab-0921f2732cef
- CC: remove including of <prep.h> from codecompletion.cpp, since sdk.h deliberately include prep.h already.

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9787 2a5c6006-c6dd-42ca-98ab-0921f2732cef
Redid the including of PCH headers correctly; Should not change any functionality; but, might cause build errors.