added show method that overrides widget show method with carousel specific show mechanism
remove call to super from horizontalcarousel.show added test for horizontalcarousel.show
Merge pull request #87 from fmtvp/v2carousel

V2carousel - travis failed but testing pass locally. also failing tests are no related to new code
Merge pull request #88 from fmtvp/carousel-show-fix

Carousel show fix
Fix testCrossDomainPost test

The http://example.com/test endpoint frequently times out if you
try to POST to it. Rather than finding a real endpoint that doesn't
do this, change the endpoint to one that will always time out and
simulate the 'load' event ourselves.
Merge pull request #89 from fmtvp/crossdomaintest-fix

Fix testCrossDomainPost test
Merge branch 'master' into v2carousel