Interface: Moves omit-url to options struct.
Interface: Make use of C99's stdbool.
Interface change: Alert upstreams!
Allow trailing commas in maps
Merge pull request #476 from am11/master

Interface: Moves omit-url to options struct
Merge branch 'xzyfer-featt push origin master/maps-trailing-comma'
Merge branch 'master' of github.com:hcatlin/libsass
we dont follow those install rules
Update bootstrap

Forgot to update this with the last release.
Fix CreateFileW function usage, otherwise it fails to open file.
Removing emscripten stuff. Closing #419
Merge branch 'master' of github.com:hcatlin/libsass
adding a note about null values in the options objects as per #204
added more documentation to the sass_options as per #202
Merge pull request #501 from vadimi/master

Fix CreateFileW function usage, otherwise it fails to open file.
Fixes build to report correctly to coveralls.io
Accept multiple - characters before interpolant
Merge pull request #503 from mgreter/feature/coveralls-metrics

Fixes build to report correctly to coveralls.io
Merge pull request #504 from carsonmcdonald/fixfor478

Accept multiple - characters before interpolant
Straightens out some sass_interface api issues

Moved `source_map_file` from context to options.

Fix for `omit_source_map_url` (propagate to cpp_ctx).

Removed superfluous `source_maps` from struct, generate
source maps when `source_map_file` string contains data.
Merge pull request #505 from mgreter/fix/sass_interface_api

Straightens out some sass_interface api issues