test compilation of all scripts and modules (#537)

* test compilation of all scripts and modules passes

* try adding NetSNMP::default_store

* try adding NetSNMP::default_store

* travis test all branches

* make Configuration.pm safe for tests

* remove dep

* try adding net-snmp

* dist: xenial

* try building Net-SNMP locally

* no need for Try::Tiny

* allow test to pass for DPP:p

* better testing setup for session cookies

* yay! working compile tests for ALL!

Build.PL

@@ -96,6 +96,7 @@ Module::Build->new(
   test_requires => {
     'Test::More' => '1.302083',
     'Env::Path'  => '0',
+    'Test::Compile' => '0',
     'Test::File::ShareDir::Dist' => '0',
   },
   script_files => [