Prevent partial matches on controllers

Module was allowing for partial matches on controllers, this fixes it
closes revel#1200

release v0.17

Merge branch 'master' into develop

* master:
  release v0.15.0

release v0.15.0

Merge pull request revel#1150 from revel/develop

v0.14.0

Readme version and URL update

[ci skip]

Merging develop to master for v0.13.0 release

Merge pull request revel#903 from revel/develop

v0.12 Release

Increasing Travis CI Go version to 1.3

Merge pull request revel#809 from revel/patch/fixed_params

Static module: get prefix from fixed params explicitly