add image views and delete text
autolayout constraints
new icons
get rid of placeholder on sign in
the worst constant names
put wider margin in constants
change to constants
Add urgent boolean to tasks
Add urgent to the task serializer
Annotate task model
Merge pull request #217 from calblueprint/mark/urgent-tasks

[API] Urgent tasks
Merge pull request #214 from calblueprint/melissa/login-hotfix

Melissa/login hotfix
Add base networking class
Add singleton methods for networking manager class
Move login method to networking class method
Add url creation method for networking manager class
Move all networking related code away from AppDelegate
Add networking folder
Make WPNetworkingManager subclass AFHTTPRequestOperationManager
Add reponse var name to success block of request method definitions for less ambiguity