Switch from make to gulp

This commit merges the remote-tracking branch 'shyam/PabloVallejo-gulp'

Merge pull request prose#751 from hdgarrood/update-translations

fetch latest translations from Transifex

1.1.8

1.1.7

Merge pull request prose#722 from prose/fetch-all-branches

fetch all branches

Merge branch 'master' of github.com:prose/prose

Test creation instructions

Merge pull request prose#651 from rebelzach/fix-include

Implement Jekyll style includes

Changelog and Version correction

Missed @tristen's 1.1.2 tag

version bump