version changed to 2.0.6

version changed back

fixed pluginsettings issues when null or empty is sent

adding icon emoji to the beginning of the text if filled

changed version string for 2.0.1

fixed slack settings keys to work with upgraded instances (stash to b…

…itbucket servers)

preparing release 1.7.0

fixed channel name confusion with global and local setting

implemented #15 and #16