Minor code cleanup:

Functions.java: better naming of methods and parameters. Simplify name lookup
*.java: fix some more Checkstyle / IDE warnings
pom.xml: remove Javadoc generation since it is inherited from forgerock-parent pom.


git-svn-id: https://svn.forgerock.org/openig@299 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Minor code cleanup:

pom.xml: remove redundant plugin versions since they are inherited from forgerock-parent



git-svn-id: https://svn.forgerock.org/openig@300 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Trivial findbugs fix : 
- No need to check for null before an instanceof



git-svn-id: https://svn.forgerock.org/openig@301 dbb9e58e-28e6-4ce0-90e8-f11d9605b710