Change HTML email link to hide token

closes #3305
- Hide token in HTML email
Fixes sass:compress

no ref
- Use absolute path for compress/sourceMap
Merge pull request #4092 from halfdan/fix-sass

Fixes sass:compress
Merge pull request #4081 from halfdan/3305-derp

Change HTML email link to hide token
Validate and properly color letter count.

fixes #4087
- Adds correct validations for meta_title/meta_description
- Adds correct coloring of letter count