link contract shift WIP
Merge remote-tracking branch 'origin/master' into link-contract-shift
Merge branch 'master' into link-contract-shift
implementing link contract shift
allow variables in link contract target address
updating unit tests
Merge branch 'link-contract-shift' of https://github.com/projectdanube/xdi2.git into link-contract-shift
minor cleanup
more work on inner roots and link contract shift
bugfix forgot constructor argument
more logging
addresses here are already relative to the root
don't need the symbol shift on the master branch anymore
better character set handling
removing bdb and file graph factories from standard configuration
correct XDIDisplayLShiftWriter
better character set handling
removing bdb and file graph factories from standard configuration

Conflicts:
	transport-http-standalone/applicationContext.xml
	transport-http-war/src/main/webapp/WEB-INF/applicationContext.xml
removing the old XDI DISPLAY SHIFT writer
link contract patterns and unit tests