Make the env install command set the shell versions (#906)

Fixes #905.

Author: joehorsnell

src/main/bash/sdkman-env.sh

@@ -40,6 +40,7 @@ function __sdkman_setup_env() {
 	fi
 
 	sdkman_auto_answer="true" USE="n" __sdkman_env_each_candidate "$sdkmanrc" "__sdk_install"
+	__sdkman_load_env "$sdkmanrc"
 }
 
 function __sdkman_load_env() {

src/test/resources/features/per_project_configuration.feature

@@ -35,6 +35,7 @@ Feature: Per-project configuration
 		When I enter "sdk env install"
 		Then I see "Done installing!"
 		And the candidate "groovy" version "2.4.1" is installed
+		And the candidate "groovy" version "2.4.1" is in use
 		And the candidate "groovy" version "2.0.5" should be the default
 
 	Scenario: The env install subcommand is issued without an sdkman project configuration present