added system to apk graph filter
fixes to include ActivityThread.main in the callgraph analysis
added servicethread to entry points
fixed a bug I introduced in EntryPoints
Include wala_core_tests.jar in sap.jar.
Remove dependencies on com.ibm.wala.ide
added jars and updated src to current version.
added test framework and ant test target, with sample failing test
some initial implementation of method summary.
#42: Mavenize Scandroid

This pom is a thin wrapper around the Scandroid ant script. It just
invokes the ant jar target before installing to the maven repository.
Fixed some issues with fieldflows, parameterflows, returnelements, and fieldelements.  In particular, we needed to keep track of the instance keys associated with each parameter and the instancekey associated with a field.  Keeping track of the instancekeys should help with flows such as param1=>param2 in a method call, ie.  param1 flows into some fieldelement of param2, and not the fieldelement of _this_.

Outputs MethodSummary xml files (with a timestamp) to the _data_ folder.  Initial overview of the files look good and seems to be working.  May need to test a bit more on more complicated method calls, ie a method call that calls a chain of methods which eventually has some effect on the return value or fields of the intial method.
Merge branch 'master' of ssh://src.galois.com/srv/git/SCanDroid
Tweaks to make things run right in a webapp. Works right on my machine
when using the command-line work, but I haven't tested extensively.
Merge branch 'master' of ssh://src.galois.com/srv/git/SCanDroid

Conflicts:
	src/util/AndroidAppLoader.java
added MethodSummaries.xml file.  currently only contains the same summaries as natives.xml
Merge branch 'master' of ssh://src.galois.com/srv/git/SCanDroid.git
Added commons-io as a dependency; method summary read from resource
location
updated files
refactoring MethodAnalysis so we can more easily test summaries
re-merged changes from d80776a...