Refactoring + boostrap 3 migration
- used bootstrap 3
- refactor html
- better date selector
- better graph styles
- renamed files (partials now begins by an underscore)
add .DS_Store to gitignore
Merge branch 'master' of github.com:PrFalken/leonardo into refactor

* 'master' of github.com:PrFalken/leonardo:
  remove mkdir of graphs directory
Fix dashboard view
Remove useless span
Fix search
Fix dashboard view
Merge branch 'refactor' of github.com:PrFalken/leonardo

* 'refactor' of github.com:PrFalken/leonardo:
  Fix dashboard view
  Fix search
  Remove useless span
  Fix dashboard view
  add .DS_Store to gitignore
  Refactoring + boostrap 3 migration - used bootstrap 3 - refactor html - better date selector - better graph styles - renamed files (partials now begins by an underscore)

Conflicts:
	leonardo/templates/dashboard.html
	leonardo/templates/single.html
Smaller h2