fix #2 dfg-viewer: escape image URIs for OpenLayers
replace t3lib_div:testInt and t3lib_div:intInRange by helper functions to be compatible with TYPO3 > 6.0
picked class.tx_dlf_helper.php from upstream/master
fix CRLF to LF in three files
Merge branch 'master' of github.com:albig/goobi-presentation