Added rTree interface
Added $root property of IScope
Updated according to changes in Flight 1.1.4.
Updated tests.
Touched file to trigger travisci.
Tabs to spaces
Completed most of the charts and added tests
add x2js type definitions
append CONTRIBUTORS
Merge pull request #2266 from horiuchi/x2js

x2js type definition
Add defined and specified
Adding type definitions for pg

This is heavily based on the definitions from sqlite3. The Connection
class is not defined because pg says that it is private for most use
cases. I left that work for people who need it.
Merge pull request #2269 from pspeter3/master

Adding type definitions for pg
Add lodash omit chainable defs
Fix issue with omit chainable definition not returning LoDashObjectWrapper
Added Sys.UI.DomElement definitions and tests.
Added Sys.UI.Point definitions and tests.

Fixed minor definitions with some overrides.
Fixed PageRequestManager event handlers and definitions to take in the correct EventArgs type.
Corrected tests to reflect the definitions.
Added arg definition methods to the event handlers in the Tests for PageRequestManager.
Fixed definition issue where PageRequestManager extends from EventArgs which is invalid.
Added Sys.UI.DomEvent definitions and tests.
Made some tests have Explicitly typed variables to see immediately the returning type.