added homebrew link
make Version a variable so it can be set from a build flag
allow update command to be disabled
fix runnability of commands
Merge pull request #37 from dickeyxxx/patch-1

added homebrew link
test version command
added test step to Makefile
install godep on travis
test eg project
build forego bin when testing
restore godeps
install cover tool
ddollar badge
Merge pull request #39 from dickeyxxx/testing

travis support and testing the version command