Convert logging over to string only ops
Tightened up error reporting

* -debug= arg now lets you specify debug level from cmd line
* reprioritized some calls.
Added timeout detection on mc connection pool

* removed "pre" from beta
* extra commenting in config and main.go
* added tab to whitespace stripping
Added more comments to config.sample

* Added todo code for dynamic pool sizing for memcache connects.
** See mcstorage.go for details.
Added more comments to config.sample

* Added todo code for dynamic pool sizing for memcache connects.
** See mcstorage.go for details.
Monitor pool saturation
Formatting
Merge branch 'master' into dev

Conflicts:
	src/mozilla.org/simplepush/storage/mcstorage/mcstorage.go