lock debug logging

Logging when lock is acquired and released to help in debugging AUTO-587
logging in silverberg itself

that is not yet merged in silverberg
scheduler lock debug logging

not sure if we need this
updated silverberg version to use BasicLock logging
debug logs logged at different level

Implemented a debug() method in BoundLog that maps to level=7 msg(). This is used to distinguish normal
logs from debug logs

Yet to add tests
using debug log in different places
Removed badly named sample files.
test for group without server name in launch config
Updated samples
Updated Documentation Samples.
Revert "debug logs logged at different level"

This reverts commit e4dc25c081a6896ecb234342a6ce2e96d18317b0.
More fixins
Removing expired auth tokens accidently placed in documentation.
removed debug usage from some places

still incomplete. scheduler tests do not pass
Fix Typo
Add a JSON config for abacus.
made some irritating mock logging changes
changed to quicktest
merge conflict resolved
Merge branch 'master' into lock_logging

Conflicts:
	otter/scheduler.py
	otter/test/test_scheduler.py

occurred after klein change