Merge pull request #3 from leeju/elz_the_man

add create survey/ add take a survey
create user login, signup and logout
solve minor merge conflict
Merge pull request #4 from leeju/Adam

Adam
added bootstrap files
commit before pull
Merge branch 'master' of https://github.com/leeju/survey-gorilla-challenge into eric

merge mehello:wq
hello
:w hello
moved code from normal layout into boostrap code
added surveys= Survey.all in index.rb
Merge pull request #5 from leeju/eric

added in bootstrap files and moved code in layout
move duplicates to one index page/add view current users' surveys page