Merge commit 'fb3635748c3d5e95cca8e6b5160d776bd7298ee8'
implement a quick prototype for intro
Merge commit '6747adfcea5e193f4c9ff04ef16d98f3d7e350be'
Merge pull request #106 from khoa-nd/master

Please pull the latest code
Merge commit 'c280d6cb8677ed16d874f06bc7429e5eff8cc6f3'
fix bug for intro tour
Added a simple javadoc on top of a method which is being used.
apply bootstrap tour and re-style it like our style
change style for bootstrap tour
fix bug for bootstrap tour
Merge branch 'Release12' of https://github.com/chrisshayan/TechLooper
Merge pull request #107 from khoa-nd/master

Please pull the latest code
make responsive for Term Useful Link area on Technical detail page
fix bug for responsive on Term useful link
fix bug for mobile version on technical detail page
make bootstrap tour for search page
add icon help for restart tour guide
add outline = 0 for css
fix bug for close button on the header
fix bug responsive for signin popup