Add missing ABSTRACT statements from packages

The main ABSTRACT now matches the project description as noted on GitHub.
The remaining packages have had ABSTRACT statements added since these
statements are required by Dist::Zilla.

lib/Plack/App/FakeApache1.pm

@@ -1,5 +1,5 @@
 package Plack::App::FakeApache1;
-# ABSTRACT: Plack::App::FakeApache1 needs a more meaningful abstract
+# ABSTRACT: Perl distro to aid in mod_perl1->PSGI migration
 use strict;
 use warnings;
 

lib/Plack/App/FakeApache1/Constants.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeApache1::Constants;
+# ABSTRACT: Define Apache1 constants
 use strict;
 use warnings;
 

lib/Plack/App/FakeApache1/Handler.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeApache1::Handler;
+# ABSTRACT: Mimic Apache's handler
 use strict;
 use warnings;
 

lib/Plack/App/FakeApache1/Request.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeApache1::Request;
+# ABSTRACT: Mimic Apache1 requests
 use Moose;
 
 use HTTP::Status qw(:is :constants);

lib/Plack/App/FakeModPerl1.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeModPerl1;
+# ABSTRACT: Mimic Apache's mod_perl1
 use 5.10.1;
 use Moose;
 

lib/Plack/App/FakeModPerl1/Dispatcher.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeModPerl1::Dispatcher;
+# ABSTRACT: Mimic Apache mod_perl1's dispatcher
 use 5.10.1;
 use Moose;
 

lib/Plack/App/FakeModPerl1/Server.pm

@@ -1,4 +1,5 @@
 package Plack::App::FakeModPerl1::Server;
+# ABSTRACT: Mimic Apache mod_perl1's server
 use strict;
 use warnings;
 use 5.10.1;