Add registerPlugin function.

More details: http://developer.longtailvideo.com/trac/browser/sdks/jw6-plugin-sdk/docs/plugins-js.html
a bit more definitions for jsPlumb. Still, this file miss a lot of definitions from jsPlumb
Fixed incorrect declaration of countBy function
Adding noTracking function definition to EntityQuery.
Add dependency-less define overload
Compability with --noImplicitAny option.

The module will be compatible with --noImplicitAny option of tsc compiler.
fix for Element.Children

Element.children is a function not a field, now it's correctly mapped
added a Test to check Element.children()

as title says
Update svgjs-tests.ts
wrong comment
Add param to complete()
opz same function name

maybe less significative names can be ok too
updated Reade Me with pnotify
Merge pull request #1990 from DavidSichau/master

Updated Read Me with pnotify
Merge branch 'patch-1' of github.com:audetpascale/DefinitelyTyped into audetpascale-patch-1
fix jwplayer/jwplayer.d.ts. add optional parameter hint.
Merge branch 'audetpascale-patch-1' closes #1788
Merge pull request #1924 from MaceWindu/jsplumb

A bit more definitions for jsPlumb. Still, this file miss a lot of defin...
Merge pull request #1961 from axefrog/master

Fixed incorrect declaration of countBy function
Merge pull request #1970 from eggers/breeze-no-tracking

Adding noTracking function definition to EntityQuery.