Fix for issue #802.  Adds constructors for ArrayList(int initialCapacity) and Vector(int initalCapacity) for JRE compatibility.  The constructors are functionally identical to the default constructors.

Found by: alau2003
Patch by: rdayal
Review by: me



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@846 8db76d5a-ed1c-0410-87a9-c151d255dfc7