* 'engine-vs-velocystream' of github.com:arangodb/arangodb: (29 commits)
removed define that was used only once
fix dumping of VPackSlices without CustomTypeHandler
remove includes
add no-throttling hint for compactor, too
remove function pointers from TRI_datafile_t, added constructor and destructor
moved functionality into engine
fixed tests
finalize classes
fix agency shutdown
cppcheck
cppcheck
fix agency shutdown
removed unused file
more diagnostic output
issue #2006: added more diagnostic output for some replication errors
allow dropping system collections in some rare cases
updated CHANGELOG
fixed issue #2012
explain why we fail to fetch the git revision.
Cleanup cmake process so it doesn't barf on problems to detect the git version.
...