Build fixes
Cherry picked type mapping commit by dyadyavasya, added gzip compression to the phar builder task
Renamed MappingTypes to TypeMappings, added config test and XML configuration for this
XML configuration is now a bit more meaningful
Removed redundant asserts
Added a version.stripped property because of pear package
Removed element from phar package metadata
Removed verbose attributes on cleanup
Build fixes
Added gzip compression to pharpackage, replaced exec mv with built-in move task
Fixed .gitignore
Merge pull request #153 from pezia/packaging-fix

Packaging fix
Adding php 5.5 to Travis, moved the composer install command to 'install' instead of 'before_script' in travis config.
Merge pull request #155 from kander/master

Adding php 5.5 to Travis
Merged package fix