Specifically, these are all warnings of the form "The
'javacProjectSettings' build entry should be set when there are project
specific compiler settings".
2. more accurate model of array copy
3. bug fix in subtype test for class hierarchy
4. bug fix in OTF call graph fix point iteration
5. bug fix for RTA and ClassNotFoundException.
also misc. minor cleanups
git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@2074 f5eafffb-2e1d-0410-98e4-8ec43c5233c4