Improve handling of submit buttons when determining when to preventDefault to avoid navigation.

Only preventDefault on click events of submit buttons, not *all* events.  I want to remove
handling of submit buttons altogether (letting the form submit event be prevented, instead),
but fear that this line was put in here to solve a specific case in some buggy browser.
Merge branch 'dev' of github.com:cujojs/wire into dev
Updated docs to point to the new wire rjs builder plugin location. Clarified docs description of the plugin.
Merge pull request #145 from pieter-vanderwerff/rjs-builder-docs-update

rjs builder docs update
Update version and changelog
Merge branch 'dev' of github.com:cujojs/wire into dev
Add rjs update to changelog
Remove undocumented pipeline feature to invoke a method on a return value
fix link to wire! resolver
Merge pull request #146 from gogamoga/master

fix link to wire! resolver