Add underscore.js to client

MIL-457
Rotate ad sections on page load

MIL-457
Add underscore to karma configuration

MIL-457
Add spec for random-block directive

MIL-457
Merge pull request #22 from crdschurch/MIL-457-rotate-ads

Mil 457 rotate ads
MIL-344 start on message page
MIL-344 move addthis to include file, style video and audio for messages
MIL-344 filetype badge
MIL-344 unnecnessary backgroun rule
MIL-344 full width layout fix
full width video section
MIL-344 rebased
MIL-344 fitvids for angular
dark bg for audio, pangular
pangular styling
finish msg, video and audio styling. btn styles with new font
remove top margin from nav tabs
MIL-344_media added fitvids and plangular to karma conf
MIL-344 remove site dir from plangular
MIL-344 updated and merged