Add anchors to the limitations section
Fix #232 - Remove unused less import "ui-mixins"

* Fix #236 (a duplicate issue with a different theme)
Merge pull request #241 from erran/fix-stylesheet-error

Remove unused less import "ui-mixins"
Update CHANGELOG.md
Prepare 2.15.1 release
Merge pull request #240 from erran/readme-anchors

Add anchors to the limitations section
Turn on colored diagnostics for the C language family
Add examples/colored_diagnostics.c
Merge pull request #244 from morinmorin/colored_diagnostics_for_c

Turn on colored diagnostics for the C language family