switched geshi higlighter to composer based repository

.gitignore

composer.json

composer.lock

inc/geshi/actionscript-french.php

inc/geshi/cobol.php

inc/load.php

inc/parserutils.php

vendor/composer/autoload_classmap.php

vendor/composer/installed.json

vendor/easybook/geshi/README.md

vendor/easybook/geshi/composer.json

vendor/easybook/geshi/geshi.php

vendor/easybook/geshi/geshi/4cs.php

vendor/easybook/geshi/geshi/6502acme.php

vendor/easybook/geshi/geshi/6502kickass.php

vendor/easybook/geshi/geshi/6502tasm.php

vendor/easybook/geshi/geshi/68000devpac.php

vendor/easybook/geshi/geshi/abap.php

vendor/easybook/geshi/geshi/actionscript.php

vendor/easybook/geshi/geshi/actionscript3.php