Merge pull request #23 from rpandey1234/master

put recent ann on home page
put youtube id extraction to separate page
fix loading issue finally
Merge pull request #24 from rpandey1234/create_prep

Preparation for Create page
recommend popular videos from youtube to annotate
Merge pull request #25 from rpandey1234/pop_videos

recommend popular videos from youtube to annotate
nav changes for when user is not logged in
use bootrap alert css
get rid of console log
Merge pull request #26 from rpandey1234/error

Better error handling
move time format into service
Merge pull request #27 from rpandey1234/dedup

move time format into service
got dropdown to show up and trigger scope func
rough way to edit ann
remove default annotations
Merge pull request #28 from rpandey1234/edit

Editing capability, make dropdown
fix highlight issue
uncomment default ann
Merge pull request #29 from rpandey1234/clean

Fix highlight issue
start work on putting youtube api in service