added user model, updated idea model to have pictures, picture creation is done, added gems for tagging, voting and fileicker rails. also changed server to thin. added development gems to better testing. done login and logout
Revert "added user model, updated idea model to have pictures, picture creation is done, added gems for tagging, voting and fileicker rails. also changed server to thin. added development gems to better testing. done login and logout"

This reverts commit c5308e4dec14a8fedc14c8b798e5df3134a76066.
Merge branch 'master' of https://github.com/pigpigs/ideabakery