refactored build script into makefile; updated readme to reflect changes
fixed readme line numbers for linux users
force no-cache when doing docker build so that apt updates itself consistently
Merge pull request #113 from jamonation/master

Makefile for docker builds
more Makefile and small dockerfile refactoring
adding no-cache back to makefile
Merge pull request #114 from jamonation/master

Makefile update
Bug 1085561 - Link to Treeherder rather than TBPL