removing support for statement in parens e.g. (=a/#b/=c)
removing "inner" parameter
better logging of certain exceptions
better null checking
work on absolute/relative statements
shifting syntax in graph files
new syntax in configuration files
fixed syntax in test xdi file
removing non-applicable unit tests
supporting statement-based methods on the ContextNode interface instead
of just the Graph interface
WIP arcs pointing outside the inner graph
accept-charset="UTF-8"
more UTF-8 processing
various work on roots and absolute/relative addresses
relational arcs are allowed to cross roots
removing 'inner' parameter from markup
Merge remote-tracking branch 'origin/notation-shift'

Conflicts:
	webtools/src/main/java/xdi2/webtools/converter/XDIConverter.java