Sync to commit ec394ad: Merge pull request #532 from tpaviot/review/fix-travis-ICE

Refresh all patches.
Upgrade patches to OCCT 6.8.0-beta

Drop patches merged upstream:
  config/add-OCE-prefix-to-macros.patch
  config/rename-config.h-into-oce-config.h.patch
  config/unconditionnally-include-config.h.patch
  disable-bspline-mesher.patch
  fix-ftbfs-c++11.patch
  fix-loading-of-debug-TKOpenGl.patch
  fix-older-tcl.patch
  fix-out-of-bounds-errors.patch
  optimize-BOP.patch
  ports/borland12.patch
  ports/do-not-include-X11-bitmaps-icon.patch
  submitted/thread_21348/warning/fix-declared-but-never-defined.patch
  submitted/thread_22556/fix-elif-HAVE_SYS_TIME_H.patch
  undefined-address-64bit.patch
  warning/deprecated-declaration.patch
  warning/fix-logical-not-parentheses.patch
  warning/unknown-pragmas.patch

Upgrade patches:
  Print-null-handle.patch
  add-missing-include-stdio.h.patch
  cmake/add-support-for-CMake.patch
  cmake/move-scripts-in-subdir.patch
  cmake/precompiled-headers/add-the-effective-precompiled-headers.patch
  cmake/remove-Autotools-and-project-files.patch
  cppcheck/fix-memory-leaks.patch
  cppcheck/fix-return-reference-auto.patch
  do-not-redefine-memmove.patch
  fix-non-ASCII-path.patch
  modify-type-Standard_Boolean.patch
  ports/borland11.patch
  ports/borland14.patch
  ports/borland15.patch
  ports/borland16.patch
  ports/borland2.patch
  ports/change-guards-for-MSVC-pragmas-to-_MSC_VER.patch
  ports/hpux.patch
  ports/mingw64-intptr_t-fixes.patch
  ports/mingw64.patch
  ports/osx.patch
  ports/rename-glext.h.patch
  ports/windows-non-MSVC.patch
  remove-duplicate-headers.patch
  series
  static-linking.patch
  submitted/thread_20052/fix-build-failure-gnu-kfreebsd.patch
  submitted/thread_20105/add-openmp-support.patch
  submitted/thread_21346/ports/remove-__try-__finally.patch
  submitted/thread_21349/warning/fix-deprecated-conversion-from-string.patch
  submitted/thread_21388/warning/fix-uninitialized-var.patch
  submitted/thread_21393/warning/linker-warnings.patch
  unsorted.patch
  warning/fix-delete-void-pointer.patch
  warning/fix-int-to-pointer-cast.patch
  warning/intel-write-strings.patch
  warning/modify-MSVC-pragmas.patch
  warning/pointer-arith.patch
  warning/remove-const-return-value.patch
  warning/review-fix-unused-local-var.patch