Add a check for Puppet version to task and bolt helpers

This commit will add a check for Puppet version being 5 or greater
around the task and bolt acceptance test helpers. This ensures that
they are not attempted on pre-task/bolt versions of puppet.

spec/spec_helper_acceptance.rb

@@ -11,7 +11,7 @@ def pe_install?
 end
 
 run_puppet_install_helper
-install_bolt_on(hosts) unless pe_install?
+install_bolt_on(hosts) unless pe_install? && puppet_version =~ %r{(5\.\d\.\d)}
 install_module_on(hosts)
 install_module_dependencies_on(hosts)
 
@@ -88,6 +88,6 @@ def retry_on_error_matching(max_retry_count = 3, retry_wait_interval_secs = 5, e
 
   # Configure all nodes in nodeset
   c.before :suite do
-    run_puppet_access_login(user: 'admin') if pe_install?
+    run_puppet_access_login(user: 'admin') if pe_install? && puppet_version =~ %r{(5\.\d\.\d)}
   end
 end