[FEATURE] Support Vagrant 1.6 version command
Vagrant 1.6 introduces a couple new commands, including the `version` command.
The `version` command shows the currently installed version information and
also checks for new updates available.
Diff
1diff --git a/plugins/vagrant/_vagrant b/plugins/vagrant/_vagrant
2index 9af8cb0368f7ae49f9171f1d4cfb1136ab0aa795..f9aef0880ad31d8b43224c8fa30a31929c19465c 100644
3--- a/plugins/vagrant/_vagrant
4+++ b/plugins/vagrant/_vagrant
5@@ -19,6 +19,7 @@ _1st_arguments=(
6 'status:Shows the status of the current Vagrant environment.'
7 'suspend:Suspends the currently running vagrant environment'
8 'up:Creates the vagrant environment'
9+ 'version:Prints the currently installed Vagrant version and checks for new updates'
10 '--help:[TASK] Describe available tasks or one specific task'
11 '--version:Prints the Vagrant version information'
12 )