Removing unnecessary files.
References Issue #67.
Reorganizing News Structure in project
Made new group for General XIBs
moved MITNewsImageViewController.xib into general XIBs folder
changed file locations on disk
Removed iPad prefix from variable and file names.

In the future next stories could be used on iPhone so added logic to handle the iPhone template.

References Issue #67
Merge pull request #462 from MIT-Mobile/3.6-dev-news-reorganization

Organized News Module