added headers, topcell
labels format
remove old headers
font weight topcell
review comments
change default style
color changes
restore header
Merge pull request #19 from 28msec/topcell

added headers, topcell
Merge branch 'master' into s3
fix jshint messages
Merge branch 's3' of https://github.com/28msec/layoutmodel-renderer-angular into s3