Adjusted note on outputStyle option

Closes #258
Remove line regarding copying built binary and adding note on libsass differences
Add Gitter badge to README
Merge pull request #265 from andrew/readme-build-update

README tweaks
Add list of maintainers to README
Change to actual list so each maintainer appears on a new line
Update Contributors copy
Merge pull request #266 from andrew/add-maintainers

Add list of maintainers to README
Dependencies bump, all tests passing
Further dep. version bumps as david-dm was giving false version numbers
Clarify the libsass reporting workflow

- Update when API issues should be created here
- Dropped the word "recent" as that term will get dated quickly.
- Use the libsass markdown anchor throughout.
Merge pull request #270 from nschonni/clarify-libsass-issues

Clarify the libsass reporting workflow
0.8.4
Copy over updated libsass reporting guidelines
Name should be a main heading in Readme
Update LICENSE
Merge pull request #268 from andrew/dependencies-bump

Dependencies bump
Restore path.delimiter use for depreciateRender

This is required for non-unix platform path separators to function
Merge pull request #280 from nschonni/depreciate-path-separator-fix

Restore path.delimiter use for depreciateRender
Cleaner detection of bindings with better error handling.

Makes it a clearer when the bindings are found but broken.