Revert "Revert "Add intl-messageformat as a dependency""

This reverts commit 2e770f25caa56c52fbe0350f2919bfa2dff6dc2c.
Merge remote-tracking branch 'ericf/imf-dependency'

Conflicts:
	package.json
Update Bower with `intl-messageformat` dependency
Merge pull request #32 from yahoo/update-deps

Update of PR #25, with Bower update