LazUtils: Move FileSearchUtf8 to LazFileUtils (and inline it in FileUtil).
Part of the ongoing restructuring of LazFileUtils/FileUtil.


git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41568 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: regenerated translations; updated Russian translation

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41569 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: replaced compiler options Macro values with Additions and Overrides

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41570 4005530d-fff6-0310-9dd1-cebe43e6787f