fix responsive for legacy browser
Merge branch 'master' into layout

Conflicts:
	application/views/layout.php
add missing navbar toggle button
fix footer ul location
fix placeholder for IE
same fix on admin/layout.php and add turbolinks
remove useless field from problem
Merge pull request #9 from dotkrnl/layout

some layout fix: responsive & footer ul
Merge branch 'master' into admin

Conflicts:
	application/views/admin/layout.php