Corrected Javadocs to indicate that NumberFormatException gets thrown instead of ClassCastException while attempting to convert a JsonPrimitive to a number.
Corrected Javadocs to indicate that NumberFormatException gets thrown instead of ClassCastException while attempting to convert a JsonPrimitive to a number.

git-svn-id: 7b8be7b2f8bf58e8147c910303b95fa2b8d9948f@733 2534bb62-2c4b-0410-85e8-b5006b95c4ae

mintern/gson