Check and convert passed ROOT_DIR
Merge pull request #137 from Alexpux/develop

Check and convert passed ROOT_DIR
Fix loading libsdtcxx pretty printers if we run gdb not from MINGW_ROOT/bin location.
Merge pull request #139 from Alexpux/develop

Fix loading libsdtcxx pretty printers if we run gdb not from MINGW_ROOT
show the build revision in the pkgversion
show the build revision in the pkgversion
Merge branch 'develop'