Merge pull request #10 from timodwhit/master

Assets handling
Adding initial travis ci integration.
Temporarily adding a Rakefile for travis testing.
Updating Readme to include travis ci build status images.
Correcting foodcritic FC002 in default.rb line 63
Correct foodcritic FC002 issues.
Updating reade build icon to explicitly point to master.
Addressing FC019 in attributes.
Addressing foodcritic FC022.
Mergiing in upstream changes
Added drush git repo handling
Initial add of d8 settings.php template
Merge pull request #13 from timodwhit/d8

D8
Resolving merge conflicts