MJARSIGNER-34 - The 'verify' goal of the plugin is passing '-keystore' but not '-storetype'.
Add also provider* parameter for both sign and verify mojo

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1575440 13f79535-47bb-0310-9956-ffa450edef68
[MASSEMBLY-687]
  - Changed all locations consistently to src/assembly
    instead of src/main/assembly and src/assemble.


git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1575551 13f79535-47bb-0310-9956-ffa450edef68