Merge pull request #74 from AndroidTresLeches/event_feature

Event feature
updated icons
Merge pull request #75 from AndroidTresLeches/be_a_donor

updated icons
minor fix
Merge branch 'master' of https://github.com/AndroidTresLeches/AADP_AndroidClient into event_feature
Adding gradient background to splash screen
changing gradient start color -minor change
Merge pull request #76 from AndroidTresLeches/all_ui_updates

Minor changes - adding gradient background to Splash screen.
Please pull origin master.
minor cleanup
Merge branch 'master' of https://github.com/AndroidTresLeches/AADP_AndroidClient into event_feature
added login & logout functionality
removed settings & updated icons