Fix jsHint spacing
Updated to Polymer 0.5.1
Change tests to use web-component-tester
Use shadowRoots['ajax-form'] instead of shadowRoot (allows ajax-form to be properly extended)
Update README to include testing info
Update Travis to install web-component-tester
Merge branch 'master' into pr/29

Conflicts:
	bower.json
	package.json
test(wct): get tests running locally and on travis - take 1
ref #29
test(wct): fix build in travis - take 2
ref #29
test(wct): fix build on travis - take 3
ref #29
test(wct): fix build on travis - take 4
ref #29
chore(travis): speedup build
ref #29