Extra char in SessionsController + ui improvement

UI Improvement: Don't show 'New Package' if not logged in ETT
Merge pull request #109 from thescouser89/hide_new_package_when_not_signed_in

Extra char in SessionsController + ui improvement
Fix the nilclass
put package_id in parameters too
fix id 0 not found
Bug fix: only rhel6 bugs were updated when we switched the status to finished
get the package object
bz_bug might not be provided in the view
add component constraint for upgrade_bz query
Comparison would always returns true. modify it so that we compare the right types

More hacky code :(
fix ajax addition of bugs
sometimes comparison fails because of whitespace. fixing it
RPMs, not RPMS
remove unecessary or condition
submit bugs when adding nvrs to errata
add bugzilla_email field
Added some unit tests and documentation for BzBug model
Add comments to package.rb and remove some tiny dead code
reset password function - part 1
Merge branch 'master' of github.com:liweinan/ett