Added in memory logging for each transaction call

Also need to remove the current memory dump process so it doesn't interfere.
Fix 'stations' request
Fix some reported issues
Fix album art and R3 lang misbehaving
Fix old songs showing up in album song lists
Add known_event_id to sync
Merge pull request #33 from MagnusVortex/master

Added in memory logging for each transaction call
Comment out memory tracing for now
Fix tune in URLs
Another tune in URL fix
R3: Fix tune in download links
Fix tip jar requiring login
Fix scanner
Merge pull request #34 from williamjacksn/master

Fix scanner
Add more scanner logging, for science
Merge pull request #35 from williamjacksn/master

Add more scanner logging, for science
Background scanner assigns SIDs correctly

Turns out pyinotify does not work the way we thought it worked. Every
event was calling the first EventHandler that was registered. I set it
up so there is only one EventHandler and it checks the path when an
event fires, assigning the correct SIDs.
Merge pull request #36 from williamjacksn/master

Background scanner assigns SIDs correctly
Only show existing albums in playlist
Merge pull request #37 from williamjacksn/master

Only show existing albums in playlist