[+TASK] added router for seo path feature
[+TASK] removed own parameter handling and added factfinder parameter handling
[+TASK] updated FACT-Finder library
Merge branch 'development' into seo
[+TASK] fixed slider parameter value
[+TASK] added search result to if condition
[+TASK] changed category parameter handling
[+TASK] added detailed link count to layer filter
[+TASK] added method to remove only a single filter from url
[+TASK] fixed generation of state urls
[+TASK] Fix clear URL generation.
CHG: implemented the legacy tracking for 6.9

Conflicts:
	src/app/code/community/Flagbit/FactFinder/Model/Facade.php
[+TASK] updated library
[+TASK] fixed typo
[+TASK] added helper method to check if filters are selected
[+TASK] fixed url handling on catalog for seopath attributes
[+TASK] added slider logic to filter helper
[+TASK] added indicator for multiselect attributes
[+TASK] added using of configured identifier field in cart crossselling
[+TASK] fixed problem with url encoded param strings