Merge branch 'feature/87-change-slider-style-on-main-page' into develop

* feature/87-change-slider-style-on-main-page:
  fixed carousel, moved it to left
  moved slider in upper block
merge commit, fixing partners block
fixed instructors view
Merge branch 'feature/97-fixing-admin-page' into develop

* feature/97-fixing-admin-page:
  added new style for admin page
merge commit, changes views of welcome and photoalbum pages
added modified gemfile lock
Merge branch 'feature/105-adding-auditories' into develop

* feature/105-adding-auditories:
  added auditories to admin path
moving magick numbers into configus
moved configus file into initializers
deleted configus from application rb and placed a correct path into development rb enviroment
merge commit, solved several problems with view files