deleted "--enable-all-in-one"
slight refactoring of hash indexes

made internal statistics counters conditional (not compiled in by default)
align hash array entries on cache line boundary
preallocate big enough hash table when a hash index is created for an existing collection
disable internal statistics by default
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
updated documentation
updated documentation
bugfix IPv6 endpoint
added "--build x86_64-apple-darwinXX.XX.XX" for MacOS X
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel

Conflicts:
	Installation/build.sh
make clean also clears Doxygen directory state
issue #246: added clear() function
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
bugfix IPv6 addresses
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
fixed hasharray bug introduced yesterday
bugfix wrong user
Merge branch 'devel' of github.com:triAGENS/ArangoDB into devel
issue #247
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into devel
removed generated files