COMM code: add method to request access to a COMM channel even when not viewed by the player
player tracker plugin: update to use new method to register interest in background COMM when needed
fix #885
[core] passcode contents are displayed correctly

Includes some other small fixes regarding passcodes.

Fixes #883
remove old code from obsolete nickname resolving
website: update for new 0.18.1 release
bump version number after new release
draw-tools plugin: new feature - snap points to portals
useful to fix badly placed lines/polygons
[draw-tools] Fire native drawtools events in import/reset/snap; smaller bugfixes
[sync] bugfix (file wasn't created if not found)

also, set sync delay to 5 seconds
Merge branch 'master' of https://github.com/jonatkins/ingress-intel-total-conversion