build C++ dependency for each test run
update README
update README again
Merge pull request #44 from mapbox/test-deps-squash

build C++ dependency for each test run
simplify center test via mapbox-gl-native@9861f40
Merge branch 'master' into callbacks
Merge branch 'callbacks' of github.com:mapbox/mapbox-gl-cocoa into callbacks
Revert "tweak durations"

This reverts commit 8928a63af06bd147dfafa0ea7e22781a0b3ac27d.