First pass at the multi module maven build.
log4j changes
Cleaning up log configuration and the dependencies in the build.
Second pass at the build and multiple overlays.
Added Ant build.
update to cas-addons 1.5
Update README.md
Adds example unit test to cas-mfa-java

Adds a do-nothing example JUnit4 unit test to cas-mfa-java, adding the
Junit4 dependency to the cas-mfa-java pom.xml. (Defers making Junit
available in cas-mfa-web (?) and in the overlay example.
Cleaned up CS rules for new line at the end of file.
Update README.md
Removed junit version as it's managed by the parent pom. Added Travis CI.
Merge branch 'master' of github.com:Unicon/cas-mfa
detection of loa parameter
detection of loa parameter
detection of loa parameter
detection of loa parameter
Reworded a number of log messages, a getter and switched the maven version to be 3.0.4 compatible.
Merge pull request #1 from mmoayyed/LOA-PARAM

Recognizing the LOA parameter - #1
Switched MFA to be an interface, and added the login webflow to the overlay
Branching to custom webflow states when loa parameter is detected. There will need to be additional rules to detect existing SSO sessions and/or to enforce authentication based on loa.