1. corrected rotation of screen: all screen within nav controller are now portrait (explore template, detailed template, review segments).
2. fixed highlight mechanism for take cells.
3. removed all nsurl vars from segmentCVCell and takeCVCell.
4. removed segmentType from segmentCVCell. type is being fetched from model now.
5. changed CV tags to consts.
Merge remote-tracking branch 'origin/master'