Added stub install command

bin/gvm

@@ -2,11 +2,14 @@ if [[ $1 == "version" ]]; then
   echo "Go Version Manager v$GVM_VERSION"
 elif [[ $1 == "implode" ]]; then
   rm -rf ~/.gvm
+elif [[ $1 == "install" ]]; then
+  ~/.gvm/bin/gvm-install $@
 else
   echo "== Usage
   gvm Action
 == Action
   version    - print the gvm version number
-  implode    - completely remove gvm"
+  implode    - completely remove gvm
+  install    - install go versions"
 fi
 

bin/gvm-install

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [[ $1 == "install" ]]; then
+  if [[ -n $2 ]]; then
+    echo "Installing version $2"
+    exit 0
+  else
+    echo "ERROR: Please specifiy the version"
+    exit 1
+  fi
+else
+  echo "Please use gvm [action] to call this file"
+  exit 1
+fi
+