Added "Development" branch

Added lots of changes, not too sure if they’re ready for master yet.
Added LINQ expression to remove old entities
Added test suite
Added more Entity model changes

And lots of client side script changes
Removed unnecessary classes
Refactored lots of code / deleted unused classes
Added Twitter error page and refactored some stuff
Added SignalR server-client methods + refactoring
Added BoundingBox logic
Merge pull request #1 from adaam2/Development

Merging development progress