Added back function
Added ion-nav-bar element
Added ng-click to back buttons in headers
Added png versions of social images
Updated src for social images
Removed old versions of social images
Added animation attribute to ion-hav-view
Added new effect to selected array
Refactored for readability
Added orderBy filter to drug and effect lists
Added validation to new effect button
Added mongoose controllers dependency.
Refactored to move utils into a new library
Added gitignore details
Added Twitter Auth Credentials
Added twitterService
Connected basic tweet functionality
Injected dependencies:  codebird;jsOauth
Added semicolon
Added jsOauth lib file