Binding: Refurbishes binding to use new API

Added 'rejectUnauthorized' to support self-signed TLS certificates

Manual build workaround

Document indentedSyntax option

Introduced in #452 but not documented.

Allow failures for node v0.11 on travis

Promoted @am11 to project lead

Fixes #546.

Added travis => gitter webhook

Also fixes the issue with destination path
being resolved w.r.t input, without accounting
for it being already absolute.

For CLI format as JSON with indent = 2.

Credit goes to @mgreter.

This code is ported from @mgreter's fork.

Binary: Removes v8 version from the dir name

Install: Removes excessive dependencies

CI: Use env.SKIP_SASS_BINARY_DOWNLOAD_FOR_CI

Fixes #537.

Change `--output` to be a directory

This makes it easier to watch a lot of files for changes and compile them to a
desired directory rather than writing them in `process.cwd()`.

Cleanup tests

add environment variable to force a build

this can be used to workaround #517

Added test for an issue found in the output of stats.includedFiles