new config for site basic information
add website infomation helper
change hardcoded website information
Merge branch 'title' into last
add multi select for delete discuss topic
Merge pull request #8 from dotkrnl/title

change hardcoded website information to config/base.php
fix responsive for legacy browser
Merge branch 'master' into layout

Conflicts:
	application/views/layout.php
add missing navbar toggle button
fix footer ul location
Merge branch 'layout' into last