added dropdown to select baby on the new letter page
resolve conflicts from merge
associate baby to user and show letters associated to the baby on the baby show page
Merge branch 'master' into baby_timeline
edit baby index page so user can only see their own babies
user_id is added to the baby when creating baby
code fix and remove wlcome controller, setting root to baby index
Added some bootstrap grid, linked avatar to specified Timeline
Edit some styling
Merge pull request #12 from jasonwhlaw/baby_timeline

Add Baby timeline