Merge pull request #11 from jonatkins/master

Pull from upstream.
plugin draw resonator update

Update to code for disabled on out of zoom bounds and tool tip when in
bounds
Merge pull request #13 from jonatkins/master

Pull from upstream.
Merge pull request #694 from enigmaquip/master

plugin draw resonator update
Merge remote-tracking branch 'upstream/master'
Minor typo.
Merge pull request #696 from nexushoratio/proofreading

Minor spelling correction.