Adds link to swagger annotation docs
ModelAttribute expansion for collection extensions

Fixes a bug where ModelAttributeParameterExpander
was incorrectly handling parameters that were extensions
of collections. For example, any custom extension of a HashSet should
be treated as a Set but instead it was being treated as a custom type.
Merge pull request #479 from acwatson/master

ModelAttribute expansion for collection extensions
[#476] Allows specifying alternative types for expanded model attributes
[#463] Adding javadoc to publication
[#463] Adding maven required pom attributes
Bumping version post release
Revert "Bumping version post release"

This reverts commit 04ad7e84c5fe5644cb1d354cfcd9a628a4411723.
0.9.1 Release
Bumping version post release