cotire-1.1.6: Bugfix release.

• check result code upon scanning includes.
• always add a clean_cotire target to easily clean up cotire generated files.
• add section on extern "C" linkage issues to manual.

cotire-1.1.5: Bugfix release.

• new cache variable COTIRE_UNITY_SOURCE_EXCLUDE_EXTENSIONS can be set to globally exclude
  sources with the listed file extensions from the generated unity source.
• fix check for multi-architecture builds under OS X.

cotire-1.1.4: Bugfix release.

• prevent redundant re-generation of the unity source, prefix header and precompiled header files
  (this makes cotire more applicable to C++ projects that use Qt).

cotire-1.1.3: Bugfix release.

• fix out of range index operation upon building list of target include directories.
• honor target properties POSITION_INDEPENDENT_CODE and NO_SONAME introduced with CMake 2.8.9.
• make selection of target source files for requested target language more careful.
• prevent modification of the CMake policy stack upon CMake version check.

cotire-1.1.2: Bugfix release.

• make handling of include directories more robust against invalid paths.

cotire-1.1.1: Bugfix release.

• fixed bug with generation of unity targets for WIN32_EXECUTABLE targets.
• fixed bug with parsing of localized MSVC /showIncludes output.

cotire-1.1.0: Feature and bugfix release.

• tested with CMake 2.8.8.
• added example to manual that shows how to apply cotire to CMake object library targets.
• fixed multiple bugs with handling of CMake single build type and multiple configuration builds.
• added more robust parsing of localized MSVC /showIncludes output.

cotire-1.0.9: Bugfix release.

• add support for compiler wrappers like ccache.
• under OS X, apply CMAKE_OSX_SYSROOT to prefix header include and ignore paths.

cotire-1.0.8: Bugfix release.

• require CMake 2.8.6 since we are using set_property option APPEND_STRING.

cotire-1.0.7: Bugfix release.

• add support for Ninja generator introduced in CMake 2.8.8.
• fix bug with initialization of variable COTIRE_VERBOSE.