[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
Merge branch 'master' of github.com:jonatkins/ingress-intel-total-conversion

Conflicts:
	plugins/draw-tools.user.js