Adds flexform setting for URL to checkout update page
Updates to latest Arcavias core
Adapts static_info_tables version to accept 6.x versions
Moves extensions to arcavias-core/ext directory so test requiring PHPExcel are working
Adds more output to composer command
Uses latest composer version for testing
Uses latest version of composer
Adds workaround for tests requiring phpexcel extension
Adds workaround for tests with phpexcel (moves directory)
Merge pull request #101 from nsendetzky/master

Updates to latest Arcavias core, extends flexform and bumps static_info_tables version