Add users controller - Show and Edit page done - Modified topbar

[#50838253]
Add Uploader for User Avatar - Avatar added to Profile page and on topbar

[#50838253]
User avatar added next to feedback

[#50838253]
Adds manager to venue show page - Some CSS done - Fix bug on profile page showing only current user relations

[#50838253]
Adds avatar and acts to Seed - Add User sign_in status on profile

[#50838253]
Adds members to Band show page - CSS added for band information

[#50838253]
Gig show page with gmap

[#50838253]
I18n for new views

[#50838253]
Merge pull request #21 from WilfriedDeluche/user-profile-50838253

[Fixes #50838253] User profile 50838253
Merge branch 'master' into test-rails-erd