Add zmq package name
Merge branch 'master' of https://github.com/Eyescale/Buildyard

Conflicts:
	.gitexternals
Merge pull request #121 from tribal-tec/master

Enable zmq build to fix travis on 12.04 which lacks zmq4
Do not set module path in options.cmake, it is done by package config
Merge branch 'master' of github.com:eile/Buildyard
CR #122
Merge pull request #122 from eile/master

Do not set module path in options.cmake
Cosmetics for FindPackages
Merge branch 'master' of https://github.com/eile/Buildyard
Merge branch 'master' of https://github.com/Eyescale/Buildyard
Add support for config.extra
Don't overwrite per-project build type setting
Merge branch 'master' of https://github.com/eile/Buildyard
Minimal OSG source disable
Merge pull request #123 from eile/master

Add support for config.extra
Move external projects to config.extra
Update README
Move boost to extra projects
Merge pull request #124 from eile/master

Move external projects to config.extra
Update travis.yml