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!

xt/00-compile.t

@@ -0,0 +1,30 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+BEGIN {
+  use FindBin;
+  FindBin::again();
+
+  use Path::Class;
+
+  # stuff useful locations into @INC and $PATH
+  unshift @INC,
+    dir($FindBin::RealBin)->parent->subdir('lib')->stringify,
+    dir($FindBin::RealBin, 'lib')->stringify;
+}
+
+# for netdisco app config
+use App::Netdisco;
+use Test::Compile;
+
+my $test = Test::Compile->new();
+
+my @plfiles = grep {$_ !~ m/(?:sshcollector|graph)/i} $test->all_pl_files();
+my @pmfiles = grep {$_ !~ m/(?:sshcollector|graph)/i} $test->all_pm_files();
+
+$test->ok($test->pl_file_compiles($_), "$_ compiles") for @plfiles;
+$test->ok($test->pm_file_compiles($_), "$_ compiles") for @pmfiles;
+
+$test->done_testing();