Merge branch 'feature/fixing-titles-and-footer' into develop

* feature/fixing-titles-and-footer:
  fixed style for social widgets
  added style for ul of the social widgets
  added correct vidgets for social networks
  added social like links to footer. added temp code for partial social like links
  added partial for social links
  added style for footer. bottom padding of footer is increased
  added style for footer. added contacts for footer
  added mail to footer
  deleted schema.rb
  changed gitignore file, added schema.rb
  modified gitignore file, added schema.rb
changed pages controller, added title for head
added title for every instructor
added titles for several controllers
changed category controlle, added title
added title for categories
added title for instructors and news
added titles for photo albums
added title for study request
added titles for unions
fixed union titles
added title for activiti page
fixed activities title
fixed title in activity page
merge commit, applied both changes in photo albums controller