Merge pull request #775 from progrium/plugin-help

Add PLUGIN:help command to each plugin

plugins/apps/commands

@@ -64,7 +64,7 @@ case "$1" in
     pluginhook post-delete $APP
     ;;
 
-  help)
+  help | apps:help)
     cat && cat<<EOF
     apps                                            List your apps
     apps:create <app>                               Create a new app

plugins/backup/commands

@@ -85,7 +85,7 @@ case "$1" in
     echo "Import complete."
     ;;
 
-  help)
+  help | backup:help)
     cat && cat<<EOF
     backup:export [file]                            Export dokku configuration files
     backup:import [file]                            Import dokku configuration files

plugins/config/commands

@@ -175,7 +175,7 @@ ${var}"
     done
   ;;
 
-  help)
+  help | config:help)
     cat && cat<<EOF
     config <app>                                    Display the config vars for an app
     config:get <app> KEY                            Display a config value for an app

plugins/git/commands

@@ -54,7 +54,7 @@ EOF
     git-shell -c "$args"
     ;;
 
-  help)
+  help | git:help)
     cat
     ;;
 

plugins/nginx-vhosts/commands

@@ -34,7 +34,7 @@ case "$1" in
     mv "$TEMP_DIR/server.key" "$DOKKU_ROOT/$APP/tls/server.key"
     rm -rf $TEMP_DIR
     ;;
-  help)
+  help | nginx:help)
     cat  && cat<<EOF
     nginx:import-ssl <app>                          Imports a tarball from stdin; should contain server.crt and server.key
 EOF