add closure compiler to project
modified compile script to minify output file, but excluded stubs file from compilation as it causes problems
renamed _modCount to modCount
renamed _expectedModCount to expectedModCount
renamed _current to current
renamed _table to table
renamed _init to init
renamed _recordRemoval and _recordAccess
renamed _hash to hash
renamed _indexFor to indexFor
renamed __putForNullKey and __putForCreate
renamed __putAllForCreate
renamed _resize and _transfer
renamed _removeEntryForKey
renamed _removeMapping
renamed __containsNullValue
renamed _createEntry and _addEntry
renamed __entrySet0
renamed _new*Iterator methods
add variable naming to Readme standards