First try was way to simple on the approach
remove functionality added to the queue iterator. fixes #2483
#2930 Reference count sessions in WebFilter.

- Rather than storing Boolean.TRUE for the session ID in the cluster
  map, store a reference count
- Replaced get/put calls with executeOnKey and EntryProcessors to
  keep network hits low
  - AddSessionEntryProcessor is used to produce the initial reference
  - ReferenceSessionEntryProcessor increments the reference count when
    a new node looks up a session and creates a local "copy"
  - DestroySessionEntryProcessor decrements the reference count and
    returns Boolean.TRUE or Boolean.FALSE to indicate whether there
    are any further references
  - All new EntryProcessors implement IdentifiedDataSerializable for
    speed
- Renamed InvalidateEntryProcessor->InvalidSessionAttributesEntryProcessor
  and convert it to IdentifiedDataSerializable
- Updated WebFilter.init to store the WebFilter instance in an attribute
  on the ServletContext so that SessionListener can look it up
  - This allows WebFilter.destroyOriginalSession to be an instance method
    which, in turn, allows the session maps to be non-static
  - Having the maps be non-static makes the various WebFilter tests more
    meaningful because they more accurately simulate two separate servers
    accessing clustered session state
    - Otherwise, while both servers have their own WebFilter instance,
      those instances are sharing the same static session maps
- Added a unit test which verifies that session data is removed from the
  clustered map when the session has timed out on all referencing servers
- Reworded some log messages to make them more clear/useful
- Updated copyright dates from 2013 to 2014
fixes #2570
backward compatibility
refactor some map proxy support methods
refactor some tests & add toString() QueryResultSet & edit suppressions.xml
added iteration doc for collections
create map predicate test
fixes #2614

documentation is updated

fixed oldvalue assignment

some editings

enhanced test method

fixes #2614

fixed oldvalue assignment

some editings

enhanced test method
test refactor
test refactor
Merge pull request #2933 from gurbuzali/ra-fix

fixes #2570
enhanced
Merge pull request #2940 from gurbuzali/collection-iterating-document

added iteration doc for collections
Merge pull request #2925 from eminn/fix/queue/iterator

remove functionality added to the queue iterator. fixes #2483
resolve merge conflicts
resolve merge conflicts
cleanup
rename methods