Merge pull request #35 from yuki2006/develop

To avoid unrecognized attribute for "text" field
Now making sure to use the right attribute type even if we internally converted the data for our own object model. Fixed a bug in handling attributes without namespaces.
Merge branch 'develop' of github.com:secure-software-engineering/soot-infoflow-android into develop
Fixed ApkHandler to write out valid ZIP/APK files. We now also automatically remove signature files since they become invalid due to the change anyway.
fixes #30
added support for switching path reconstruction algorithms
automatically setting whether result paths shall be computed or not
added target for javadoc
More reasonable default inference for attribute types
defaulting unavailable attribute ids to zero
fixed a bug that lead to added child nodes being written multiple times
fixed a wrong attribute name
update to match changes in soot-infoflow
path reconstruction algorithm specified on the command-line was ignored
added a test case for the return parameter problem in the dataflow engine
change to match refactoring in soot-infoflow
added the nopaths option back
rewrote the axml output code and restructured the dom a bit. should now be way more stable.
restoring compatibility with soot-infoflow after refactorings there
now also running the new DroidBench test case on threading