Single memcache handler

* formatting
Issue #41: Try fix memcache session handle overrun

* Added current_host param to pushEndpoint config entry
* Added "/realstatus/" that does a deeper check and provides more info
* Added rtilder's memcache patch for LRU handles
* Added socket max limit for server (defaults to 1000)
* Moved GenUUID to utils package
* Made memcache timeouts non fatal to app.
* Added memcache status checker
* Memcache handles are now func local
  (Global handle was keeping reapable handles alive.)
* Added file:line to heka error logger.
Starting multi storage support

* moved util and storage to aliased imports
* fixed int type errors around max_connections
* moved client counter to mutex locked function because paranoid
* fix to logger to not add fields to outbound message.
* Added simple redirect constructs for future dev.
Removed duplicate field def
Setting a GOROOT isn't needed, but GOPATH is.
Refactor memcache client creation to use the pool.
Use gomc library (not stable)

* Getting CONNECTION ERROR after small number of connections.
go fmt
Initialize the clients in the code where the clients live.
No logical reason for an unlock here.
Refactor to use a return channel for clearer semantics.
Add a buffer to the Ccmd so that the worker can directly call ServerCommand without endless blocking.
Refactor out the separate worker go routine.
Use a wait group with a stopChan notifier so that the sniffer can notify the worker to shut down and they can coordinate their exit.
Added r's from benbangard

* Added gomc library support
* formatting
* added go routine count support
* Added benbangart's r optimizations
* moved filter to global (to reduce recompile counts)
Remove Scmd as its not used anymore.
Merge branch 'mcgo' of git://github.com/jrconlin/pushgo into mcgo
Remove obsolete import.
Prevent Flush from blocking forever by ensuring we're allowed to push a command.
Fixes for client counter

* Added discrete counter var
* Added add'l system setup steps to README
* Moved ClientCount to server (kept old code for future accuracy)
* Added fix from bbangert to clear socket channels on shutdown.
formatting