Don't report lints for data URIs

The `UrlQuotes` linter was incorrectly reporting data URIs as requiring
quotes. Add an exception to exclude these special URIs.

Change-Id: If4664e660e4ca81eba59d5b4f001c50975cf4e1b
Reviewed-on: http://gerrit.causes.com/43022
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Add SelectorFormat linter

Change-Id: I9786e9a8cc95d9b0931d350ed393112bc69bbe6b
Reviewed-on: http://gerrit.causes.com/43023
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Add BEM convention to SelectorFormat

This seems to a be a popular naming convention, so include it in the set
of presets.

Change-Id: I5c1d3157cf503f2721a34e4ebff6ada2bb3055a8
Reviewed-on: http://gerrit.causes.com/43024
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Update changelog with SelectorFormat addition

Change-Id: Id875cef9a7aa9cbb211bc084e97e938f3863634a
Reviewed-on: http://gerrit.causes.com/43025
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Remove CapitalizationInSelector linter

This has been superseded by the new `SelectorFormat` linter.

Change-Id: I0fa4fbc9c78d6b3672774a2dd9a23ba355f60dab
Reviewed-on: http://gerrit.causes.com/43026
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Add JSON Reporter

Change-Id: Ie7bbeeb6c76bade755d4a1ccd94b7cf15c9f7ed7
Reviewed-on: http://gerrit.causes.com/43243
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Add JSON reporter example to README

Change-Id: I8f463f94600d76227125491f61759647569b3c25
Reviewed-on: http://gerrit.causes.com/43244
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Update changelog with JSON formatter

Change-Id: I934547c441fb753e397c8b75a01e2f02224b1a9d
Reviewed-on: http://gerrit.causes.com/43245
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane.dasilva@brigade.com>
Added VendorPrefixes linter