* Split up the thirdparty code into the thirdparty folder (#3637)
* Create a new kimath static library containing all the math functions
This is part of cleaning the build system for #1906.
* Remove download and build Boost from source and all CMake boost source build
dependencies.
* Make FindCairo.cmake use pkg-config when it's available not just all
platforms except windows.
* Add version checking to FindCairo.cmake.
* Change find GML version to 0.9.5.1 which is the current version in Ubuntu
14.04 LTS.
* Update required Cairo version to 1.12.1.
* Compile all binaries into a single application bundle.
* Use CMake BundleUtilities to make application bundle relocatable.
* Restructure build output to directly create an image file.
* Fix default search paths.
* Set KIGITHUB environment variable.
* Added patch to fix wxWidgets so names for OSX.