Merge pull request #109 from eee-c/master

xhrArgs support in polymer-ajax
#66
#108
#66
#34
#95
remove timer which didn't solve the problem anyway
#83
Merge pull request #110 from eee-c/master

Interpolate number intro string
Rename event to polymer-select
Rename events now that dashes are supported
Rename events now that dashes are supported
Rename events now that dashes are supported
Rename events now that dashes are supported
Rename events, cleanup timer, support checkboxes
Remove incomplete elements
Remove polymer-animation
Comment out polymer-animation
Remove closure
Work in dart and js, work in shadow dom, match example conventions
Match example convention
Uncomment targetId
Bump polymer version, enable installControllerStyles
update status