KIM portal mods Step 1

/src/main/java/com/rsmart/kuali/kra/web/jstl/PortalFunctions.java
-Added a new method that takes in a comma delimited string of affiliate type codes and compares them to the logged in user's default affiliate type code.

/src/main/webapp/WEB-INF/tags/rice-portal/portalTabs.tag
-Surrounded each tab with a call to the "showByAffiliateType()" method

/src/main/webapp/WEB-INF/tlds/portal-func.tld
-New tag library to define new jstl functions.