removed warnings and extra imports
Merge branch 'master' of https://github.com/dmmd/OPF_Hack
tests now find sample file.  and pass.
Merge branch 'master' of https://github.com/dmmd/OPF_Hack

Conflicts:
	src/test/java/org/opf/pst/LibPstTest.java
	src/test/java/org/opf/pst/PstParserTest.java