fixed comments
cleanup of indexes, fix for compaction (hash, cap, geo, skiplist, pq, bit-array)

Conflicts:
	arangod/Ahuacatl/ahuacatl-tokens.c
	arangod/BitIndexes/bitarray.c
	arangod/BitIndexes/bitarray.h
	arangod/BitIndexes/bitarrayIndex.c
	arangod/BitIndexes/bitarrayIndex.h
	arangod/BitIndexes/masterblocktable.h
	arangod/GeoIndex/geo-index.c
	arangod/HashIndex/hash-index.c
	arangod/PriorityQueue/pqueueindex.c
	arangod/PriorityQueue/pqueueindex.h
	arangod/PriorityQueue/priorityqueue.c
	arangod/PriorityQueue/priorityqueue.h
	arangod/SkipLists/compare.h
	arangod/SkipLists/skiplist.c
	arangod/SkipLists/skiplist.h
	arangod/SkipLists/skiplistIndex.c
	arangod/SkipLists/skiplistIndex.h
	arangod/V8Server/v8-query.cpp
	arangod/VocBase/compactor.c
	arangod/VocBase/document-collection.c
	arangod/VocBase/index.c
	arangod/VocBase/index.h
	arangod/VocBase/synchroniser.c
	arangod/VocBase/voc-shaper.c
	arangod/VocBase/vocbase.c
	lib/BasicsC/hashes.h
	lib/BasicsC/memory.c
	lib/ShapedJson/json-shaper.h
	lib/ShapedJson/shaped-json.h
	utils/cleanupCFiles
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
Mac fixes