Changes from version 0.4

Major changes:
oaf-result-1.0.xsd 
1. removed person entities:
    - added element creator 
2. avoid confusion between access rights and licenses
    - bestlicense renamed to bestaccessright
    - result instances with both accessright and license.

oaf-project-1.0.xsd
1. removed person entities:
    - added contact information elements: contactfullname, contactfax, contactphone, contactemail
 
Minor changes
oaf-common-1.0.xsd
- Added following elements in related results: collectedfrom, url, pid
- some types renamed