bugfixes
fix double freeing of collection filename in case collection cannot be opened
fixed edge index key insertion
added missing =
re-added docs for collection.save()
fixed some issues with printing in arangosh
helplessly mapped non-existing start/stop color/pretty print functions to void functions in web interface
issue #442: pls update post install info on osx

Conflicts:

	CHANGELOG
issue #444
fixed wrong length parameter
cleanup of indexes, fix for compaction (hash, cap, geo, skiplist, pq, bit-array)

Conflicts:
	arangod/VocBase/compactor.c
	arangod/VocBase/document-collection.c
	arangod/VocBase/synchroniser.c
	lib/BasicsC/memory.c
deleted 2012 from copyright message
ported memory zone fixes from devel
fixed doxygen error
added date
updated disclaimer
release version 1.2.1