Merge pull request #62 from jchenry/master

#59 continued. keep router error responses from interfering with container filters
fix for Issue #64, allow comma separated list of header values
working on spec 1.2 compatibility
model changes to upgrade to swagger 1.2
Add Example for Google App Engine
POST -> PATCH and fixed comment
[swagger] initialize consumes and produces, fix relative path
Merge pull request #65 from Moddus/google_app_engine_example

Add Example for Google App Engine
minor swagger changes
fixed Issue #66
Initial version of the example.
Typo.
Removed Swagger UI, left note about how to add it in main.go
Merge pull request #68 from ivanhawkes/datastore_example

Datastore example.  Thank you for sharing this example!
minor cleanup GAE example
reduction of lint warnings , Issue #67
more lint stuff
adding convenience method for HEAD
Merge pull request #70 from sjhitchner/feature-HEAD-method

adding convenience method for HEAD
add RecoverHandler