* ignore all hidden files. covers both the original intent but also swap files from editors.
Merge pull request #2173 from StyXman/master

* ignore all hidden files.
update copyright to MapBox
add to contributors
Merge branch 'master' of github.com:mapbox/tilemill
fix flushing cache when using sqlite datasource - closes #2176
travis is now running latest node v0.10.x so remove nvm hack
attempt to fix postgres package conflicts
fix dupe module test
fix test failures
output version when abilities test for version fails
bump tilelive-mapnik to 0.6.5
improve the error output of the duplicate module test in the case that modules are missing
support git shallow clones
use bones v1.3.29
skip strict version tests on travis since git shallow clone prevents tag being known (which is okay)
use sqlite3@2.2.0