Start initial login page for iOS, fill in missing interfaces
Fix Json.NET on iOS,  update settings, Implement login.
Add references
Revert "Add references"

This reverts commit 6c492a302588e2b3975a7921fdea325530c05404.
Revert "Fix Json.NET on iOS,  update settings, Implement login."

This reverts commit 1412a6821f7d067e177a44896a3494595f155847.
Revert b2825f6..24443f4

This rolls back to commit b2825f6663eaf3a8ae8bbd195d452a74a734b9a5.
Add initial login, fix up json.net and first page.
Add selectionchangedcommand and fixed json.
Fix Json.net, add events, fix refresh bug.
Update mvx settings plugin.
Start iOS Dev, Groups, Events, Event

Start implementing groups, events, and event. Need to still do swipe to
delete (have an issue) and add more details to Event page.
Implement a new method in IMessage to ask for string for new user (need
to integrate into android).

Fix photos for groups and members when null.

Add google analytics.
Userprefs, prob need to remove these.
Fill in event details

Add in how many users are rsvped and checked in. Allow manually adding
new members. Pick winner.
Update cell UI
add tags for loggin
Update new member dialog. Integrate latest bug fixes
Change to awaits
Load more when bottom is hit, show spinner, tweaks.
Update README.md
Update README.md