migrated boolean columns into tasks table
Changed boolean columns to have default values and not allow nil for either
complete method doesn't work, but I'm able to update attribute to change complete? boolean.
Merge pull request #1 from gregurton/master

Greg edits to gems'n'forms Friday night (tasks not working)
commit before merge
edited all conflicts in pull request
github repo not up to date
should be up to date with Nick's master repository