Update 20170425

BIC Library:

* Fixed some filters not working properly

* Fixed regression bug, when certain codes were not translated into words when showing detailed information or downloading a file

* Fixed issue, when some predecessor/successor calculations may have resulted in infinite loop

* Fixed issue, when in case of identical BIC used for 2 entities at least one of them could reference itself as both successor and predecessor


* mod_rewrite tuning

* Backend optimization