Added GLEW, removed old patches.
Changes to inreplace and fix bzr patch issues.
Small updates, progressing towards working on more systems.
Fixed patch to boost.
More boost fixes.
Added additonal instructions reference bzrtools.
Allow compilation with clang on Mavericks

Added the patch from here since Mavericks no longer reports clang as gcc:
https://github.com/mangelajo/KicadOSXBuilder/issues/14#issuecomment-28936114
Merge pull request #15 from joe714/homebrew-kicad

Allow compilation with clang on Mavericks
Made changes related to github lib.