Removed padding-top for rs-btn-link objects, except when in rs-btn-group
Replace rs-btn-link changes with a new class, rs-link
Removed rs-link height setting, replaced it with padding-top clear to get vertical alignment working
Cleaned up unnecessary link styling rules, added rule to remove border on click
removed unnecessary rs-link css rules
Updated master from upstream
update button documentation
Converted documentation indentation from tabs to spaces
Merge pull request #128 from willcumbie/btn-link-alignment-adjustment

Add rs-link class