Support for Typescript 2.1

[zemlanin]

There were a few breaking changes in TS 2.1 in typings (NodeFlags split into NodeFlags and ModifierFlags, ScriptTarget.ES6 renamed to ScriptTarget.ES2016, some changes in JSX definitions)

Plus, the compiler still has bug (?) regarding callback referencing this inside and passed to super()

This PR, hopefully, fixes all of them

[msftclas]

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[zemlanin]

Signed CLA

[HamletDRC]

Great work, thank you very much.

This is available on our "releases" branch now. You can point your npm dependency there if you need the latest files.

[zemlanin]

@HamletDRC Glad to help. After this changes, tslint-microsoft-contrib requires TS2.1:

...
### Fast Compile >>./src/utils/implicitRoles/tr.ts
### Fast Compile >>./src/utils/implicitRoles/ul.ts
### Fast Compile >>./src/validTypeofRule.ts
Using tsc v2.0.10
src/utils/AstUtils.ts(110,22): error TS2339: Property 'getCombinedModifierFlags' does not exist on type 'typeof ts'.
src/utils/AstUtils.ts(110,58): error TS2339: Property 'ModifierFlags' does not exist on type 'typeof ts'.
...

So I'm not sure about 2.0.14 milestone :/