Updated .gitignore

- Removed FeatureSorter.xcodeproj/ , this rule didn't work at all
- FeatureSorter.xcodeproj/project.pbxproj should be committed, related SO question http://stackoverflow.com/questions/8026429/should-i-git-ignore-xcodeproject-project-pbxproj-file

Signed-off-by: neara <alkadur@gmail.com>
Fix app launch

- forgot to set SSDMain.storyboard as main scene

Signed-off-by: neara <alkadur@gmail.com>
Created custom table view controller, with dynamic dataset. Created add feature view controller. Set navigation controller. Set relations between table view controller and add feature view controller.

Signed-off-by: neara <alkadur@gmail.com>
Connected SSDSingleFeature to features table view controller

Signed-off-by: neara <alkadur@gmail.com>
Removed SSDAddFeatureViewController, was created in wrong place
Converted SSDSingleFeature int members to NSNumber

Signed-off-by: neara <alkadur@gmail.com>