ar.po: update from Hatim
Cmake tests for check load of lyx-files

Do not interpret reconfigure output of lyx as test-error.
avoid CMAKE_XCODE_ATTRIBUTE_GCC_VERSION assignment for Xcode 5.0+
it is not needed anymore and the current assignment is wrong in this case
Cmake build: White space + simplification
my build scripts
a script to get the latest SVN revision of a master-child document hierarchy including materials (only LyX insets are recognized, i.e. no TeX or LaTeX macros are parsed).
adaptations to compile under QT5 - nasty hack
applied Qt5 patches from Patrick De Visschere
Patches posted on mailing list lyx-devel@lists.lyx.org on 2013-08-31
compilation refinement for Qt5