Added ArrayBuffer.slice() to extensions.d.ts
Merge pull request #328 from milkisevil/array-buffer-slice

Added ArrayBuffer.slice() to extensions.d.ts
emit this capturing as a first action in the constructor
Merge pull request #331 from Microsoft/capture_this_in_constructors

emit this capturing as a first action in the constructor.
Remove debugger statements from fourslash tests
Merge pull request #334 from Microsoft/removeDebuggerStatements

Remove debugger statements from fourslash tests
Fix compile errors in fourslash tests
Use compiler directly in fourslash runner so we can avoid repeated compile overhead
Merge remote-tracking branch 'upstream/master'