introducing a new compressed tlog format (.tls)
depends on libsnappy-dev
base & quick share dependencies
2 tests on right; dependencies
configurable choice of compressors
mixed catchup, compressor config defaults; test
fixed test that still used ".aar"
fixes to system tests
fix sabotage test
addressing most of the comments.
fat fingers
Merge pull request #234 from Incubaid/ARAKOON-445

Arakoon 445