Jsfmt Versions Save

Bump esformatter to 0.9 (Babylon Parser) #183

• Update Esprima to 2.7 (#171)
• Run jsfmt on source code (#173)
• Run jsfmt + diff in test suite (#174)
• Update dependencies (#176)
• Add docs about plugin usage (#178)
• Update esformatter (#180)

• Improved ES6 support.

• Allow overriding default plugins via .jsfmtrc config file.
• Improved error reporting: log errors to stderr and more consistent exit status codes.
• Better es6 support through upgraded dependencies: esformatter, esprima and escodegen.

• Upgrade esformatter to 0.5.0.
• Use process.stdout.write instead of console.log to avoid outputting extra newline
• Utilize esformatter-var-each to format vars on individual lines.

• Added two new command-line args for AST formatting. Note that these are experimental and may be removed.
• Removed --config option in favor of .jsfmtrc and better docs around rc.
• Updated esformatter and using new esformatter plugin for automatic brace insertion.
• Updated style guide to include esformatter changes.
• Fixes and cleanup for shebang.
• Support for variable arguments using ES6 rest syntax.
• General rewrite cleanup.
• Changing exit code to -1 on missing arg failure.
• Updates to rc and other dependencies.

• Adding support for UnaryExpression
• Fixing bug where rewrite types were not being set properly

• Fixed bug when searching for expressions within BlockStatement or Program body
• Added JSON support

• Added CONTRIBUTING
• Added tests
• Added Gruntfile for development
• Added CI support
• Added style guide
• Added default formatting config
• Exposed jsfmt.getConfig api method for loading jsfmt config
• Exposed jsfmt.format(js[, options]) api method for formatting
• Added --validate option and exposed jsfmt.validate api method
• Pinned dependencies

• Add rc and --config config.json support for formatting configuration
• Making --format the default action
• Fix support for shebang at the top of js files, e.g. #!/usr/bin/env node
• Fix jsfmt diff mode where whitespace was unaccounted for due to -b git diff option