jni draft

* NOTE: JAVA_HOME must point to a 32bit java installation
* added jni utils
* exported info*, on* and weiche & kilometerDirection calls to jni
* exported functions are instance methods of the desm.Dll class
moved jni methods from desm.Dll to ch.desm.Dll
removed vim swap file
added java-side jni wrapper

* Dll class represents a 1-to-1 mapping of the dll interface
* added pseudo code to EndpointDesmDll to draft Dll usage
implemented JNI wrapper for all stw_set* methods
added ubw32 polling
added test projects
fixed message termination
Merge pull request #17 from 0x7f/master

jni