Add USES=libtool and INSTALL_TARGET=install-strip
Update to version 1.4

This fixes an issue generating filesystems with a size exactly divisible
by 4GB.
devel/hs-readline: Restore adamw's -current fix

The massive ghc update (rev 364579) removed Adam's fix (rev 362452)
unintentionally.  Add USES=readline back again; DF needs it too.
devel/rubygem-rubygems-tasks: add port for rubygem-rubygems-tasks

Agnostic and unobtrusive Rake tasks for managing and releasing Ruby Gems.

WWW: https://github.com/postmodern/rubygems-tasks#readme
Update from 4.0.48 to 4.0.49:

o) www/rubygem-passenger;
o) third-party modules for www/nginx and www/nginx-devel.

<ChangeLog>

 * Upgraded the preferred Nginx version to 1.6.1.
 * Fixed a crash that may be triggered by the `passenger_max_requests` feature.
 * Introduced the `spawn_failed` hook, which is called when an application
   process fails to spawn. You could use this hook to setup an error
   notification system. Closes GH-1252.
 * Fonts, RSS and XML are now gzip-compressed by default in Phusion Passenger
   Standalone. Thanks to Jacob Elder. Closes GH-1254.
 * Fixed some user and group information lookup issues. Closes GH-1253.
 * Fixed some request handling crashes. Closes GH-1250.
 * Fixed some compilation problems on Gentoo. Closes GH-1261.
 * Fixed some compilation problems on Solaris. Closes GH-1260.

</ChangeLog>