OCE-0.13 released

This version is not binary compatible with OCE 0.12, OCE_ABI_SOVERSION
was incremented.

• Upgraded to OCCT 6.6.0
• Fix handling of paths containing non-ASCII characters in DRAWEXE.
• Define Standard_Boolean as a bool, and no more as a Standard_Integer
  as is done in OCCT.
• Make myFMMgr member of Standard_MMgrFactory class private, it does not
  have to be public.
• Build system improvements and additions
  • Fix build failures on Hurd, mingw-w64 and Mac OSX 10.5.
  • Fix build with gcc when using -std=c++11 flag.
  • Fix build failures with Borland compiler.
  • Move duplicate header files from inc/ into src/.
  • Build QADraw module only if OCE_TESTING is set.
  • Improve bundle usage to allow running tests.
  • Reorganize top-level source directory: move *.bat and *.sh scripts
    into a scripts/ directory, and move CMake files into adm/cmake/config/.
  • Add a CMake option to allow building TKService without font support,
    if visualization is not needed.
  • Let CMake GUI display OCE_BUILD_TYPE as a combo box.
• Several warning fixes detected by static analysis and compilers

Users who contributed to this release:
Thomas Paviot, QbProg, Jake, Fotios Sioutis, Denis Barbier, David Sankel