highlight line when persistent action is executed

Issue #2
Bump up version and update changes
add persistent-action to helm-source-gtags-find-tag-from-here etc.
fix helm-source-gtags-find-targ-from-here typo.
Merge pull request #7 from lbsx/add-persistent-action-to-select

Add persistent-action to helm-source-gtags-find-tag-from-here etc.
Bump up version and update Changes