phar generation task

Conflicts:
	build.xml
we have no hostname on cli (phar)
load configuration for phar files

Conflicts:
	src/SemanticScuttle/Config.php
own stub for the phar to disallow access to anything but www/
delete phar file before generating it
move root directory detection into SemanticScuttle_Environment to make it testable

Conflicts:
	tests/SemanticScuttle/EnvironmentTest.php
test configurable root
detect correct root path when run from the phar
provide mapping for /www/
fix PATH_INFO in phar mode

Conflicts:
	src/SemanticScuttle/Environment.php
	src/SemanticScuttle/constants.php
	tests/SemanticScuttle/EnvironmentTest.php
fix file inclusion with phar
get rid of www/ in phar
fix config tests
properly detect path info when running in the phar without /www/
phar setup
first version of phar cli interface; currently lists files only
map calls to phar without anything
use console_commandline to handle cli arguments
implement extracting files and running scripts
phar installation instructions