Visual fixes in login page.

 * Remove uppercase class from all 3 login buttons
 * Add hover effect in login buttons
 * Use bootstrap classes in login buttons
 * Inputs for username/password use bootstrap classes
Increase title size in session/create view and create space between remember me checkbox and paragraph
Merge pull request #266 from pkakelas/login_visual_fixes

Login page visual changes
Merge branch 'next_prev_buttons' of github.com:dionyziz/endofcodes into next_prev_buttons
Remove css from html
Merge pull request #270 from VitSalis/next_prev_buttons

Next prev buttons