much better exception handling
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into aql2
Implement JSON/SHAPED and SHAPED/JSON comparison by conversion.
Take out a cout.
working on comparison function for AqlValues.
Merge branch 'aql2' of ssh://github.com/triAGENS/ArangoDB into aql2
Use two shapers in TRI_CompareShapeTypes
same as last.
Merge branch 'aql2' of ssh://github.com/triAGENS/ArangoDB into aql2

Conflicts:
	arangod/Aql/Types.h
Sort out staticAnalysis for AggregateBlocks.
added new global function triagens::aql::CompareAqlValues.

Also made associated changes in SortBlock.execute().
Merge branch 'aql2' of ssh://github.com/triAGENS/ArangoDB into aql2
added brief description of AqlItemBlock structure.
stringification of function parameters
Merge branch 'aql2' of https://github.com/triAGENS/ArangoDB into aql2
v8-vocbase split: clean up includes.
Sort out bind as a preparation for subqueries.
Merge branch 'aql2' of ssh://github.com/triAGENS/ArangoDB into aql2
always fetch blocks in the default batch size.
Merge branch 'aql2' of github.com:triAGENS/ArangoDB into aql2