Merge pull request #7 from maty535/master

Added rendering completed notification for grafana share as png image.

move plugin.json, change screenshot path

update screenshots

move plugin to toplevel?

add dist directory

add version

make orientation and rotation option accessable in both mode

a workaround is applied to get rid of panel title blocking graph problem

logo added

copyright stuff

Merge branch 'master' of github.com:fatcloud/windrose-panel

update readme

Update README.md

finish