Wide array of changes

Deep breath, here we go:

*Get Data*
- Implemented global variable of MBProgressHUD

*Storyboard
- Disabled autocorrection on login and password fields
- Fixed height of tankListViewController

*InitViewController
- Eliminated MBProgressHUD reference in favor of global variable
- Fixed scrolling issue with keyboard showing on login / pw selections
- Implemented global progress HUD to indicate logging in
- Prevented users from hitting “Log In” multiple times with global
progress HUD implementation
- Proper display and dismissal of progressHUD

*Tank List
- Implemented global progress HUD for loading tanks
- Proper showing / dismissal of HUDs

*Survey View
- Fixed bug that was causing parse operation on main thread

*Tank View
- Ability to add images and upload to Parse
- Image retrieval working correctly
- Focused Image is now the last image that was uploaded to Parse
- User selection on UICollectionView properly changes image of Focused
Image
- Ability to add items to tank setup from Tank View
- All table views properly reloading
- Collection view gets added image after successful upload

I believe that is all for now.