Add parsers for TypeScript and TSX

[brieb]

Add parsers for TypeScript and TSX to make it easier to use jscodeshift for TypeScript projects.

Babel options were taken from https://github.com/benjamn/recast/blob/master/parsers/_babel_options.js

A separate parser for TSX was added because there are language constructs that have a different meaning depending on whether the file is TSX or not, such as <type> syntax for casting (which was mentioned here benjamn/recast#535).

Example Usage:

jscodeshift -t sample/reverse-identifiers.js --extensions ts,tsx --parser tsx all-the-code

Reviewers: @fkling @cpojer
cc @benjamn

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