fixed task spec to find checkbox
cleans up spec test names
added rake spec
used timecop in task model spec
removing specs for helpers
added controller spec and added a signin feature test
removed a stray puts
Merge branch 'master' of github.com:tienyuan/todoapp into adding-pundit
fixed pundit per ES
adding a nicer error message
reset email in create account spec and fixed unsuccessful signin spec to match message