Updates reference to normalizeMethods

Resolves #1314
Merge pull request #1352 from jmeas/update-helper-docs

Updates reference to normalizeMethods
Update jQuery bower dependency to 2.1.x
return region instance on region.show

thus allowing simple enable chaining of
region operations.
add a test to throw an error if bower components not installed

For now `npm test` fails silently if `bower install` command have not
been run before
Typo fixes, simplified a few complicated phrases.
Re-indent behaviors test
Fix Behavior onShow and onClose proxying
Remove clean:tmp
Add .npmignore file
Bump and build v1.8.6
Adds docs for unbindEntityEvents

Resolves #1223
Merge pull request #1364 from jmeas/unbindEntityEvents-docs

Add docs for unbindEntityEvents
Update marionette.renderer.md

typo
Fix behavior prototype event clobbering
Merge pull request #1452 from marionettejs/sjs/fix-behavior-ui-bug

Fix behavior prototype event clobbering
Bump and build v1.8.7
Update version typo in changelog
Fix behavior onShow proxy
Bump and build v1.8.8