Update README.md
Style and documentation fixes
Spurious file
restructure of ment.io

- changed to attribute directive "mentio"
- attach separate menu elements using rootscope broadcast
- simplified event handling, and made exclusive
- refactored naming and structure
doc update
Changed ref in doc
Attrs are shared
fix(demo): fix tab highlighting
chore(jshint): cleanup jshint warnings
feat(simple): add default template for menu
fix(template): fix misspelling
no id required for menu, initial pop up

Removed requirement for html dom element id on the mentio if it's
implicit.
Popped up initial menu
remove log statement
Merged PR adding defaults
Merge branch 'adamayres-master'
All options have defaults except items

Made it possible for the mentio directive to only require
feat(jshint): add jshint to build chain
rename mtio to mentio
Make click outs force the css without watch

Click events on body are happening in some cases after the isVisible()
watch is gone.  Force the css change in the case of a hide.
Scroll to popup

Scroll to the popup if it's in the wrong place on the screen