Added package Subversion.
Added package Xdebug.
pkgConfigure: Variables are now specified as last arguments to Configure.

Variables to Configure scripts must be specified after the options.
http://www.gnu.org/prep/standards/html_node/Configuration.html#index-optional-features_002c-configure_002dtime

This problem was detected because PHP didn't have the CONFIGURE_COMMAND
set.
Renamed Configure variables to be uppercase and added comments.
config example: Do not set CC/CXX by default.
Package www-servers/apache: Use bundled apr-libs.
Build: Regular expression for determining package version string.
Perform package lookup if no .pkgboxi-file but package name was given.
Package: Added sys-devel/crosstool-ng.
Added test Travis CI configuration.
Travis CI fixes

* Copy and place config template
* Test -h option.
Tests: Fixed call to pkgbox_echo
Added package app-misc/hello and use it with Travis CI
Added package dev-php/pecl-ssh2 (PECL ssh2)
Package subversion: Bumped version to 1.7.8
Fix for base-directory override
Use other syntax for a conditional variable assignment
Remove option -j (parallel) from make invocation when installing
Fixed pkgbox_action_fetch to use src_fetch
Support for packages which are not in a category directory

e.g. "pkgbox hello install" using pkg/hello.pkgbox