JC-1591 Plugin status change notification popup

remove play/stop status icon, remove status notification messages
located near checkbox, add bootstrap dialog popup for status
changing, add translations for popup title.
JC-1591 Add more simplified implementation of activation popup

Remove old unnessesory style, remove bootstrap dialog style popup,
add bootstrap alert style popup.
JC-1591 Hide checkbox if activation fault

Hide checkbox if plugin activation request returns activation error,
popup font increased.
JC-1591 Remove unnessesory translations

Remove translations which have been used in old dialog popup