replaced iconsize loop with core iconsize configuration
added some new reserved metadatanames
fixed: group export link no longer working
improved some code and add some new exportable user profile fields
updated readme and wrapped up version 7.5
fixed small typo
changed behaviour of "admin_only"; it doesn't apply on registration form
removed profile manager metadata caching in favor of new elgg metadata
prefetching mechanisme
added: backup of completeness count setting
some minor codefixes
wrapping up v7.5.1
autoprepend http to url fields if missing
clear sticky form profile fields after succesfull registration
fixed some issue with enabling correct tabs when working with profile
types
Merge branch 'master' of https://github.com/ColdTrick/profile_manager
updated todo
improved use of system cache for group and user profile fields
disabled query cache during export
removed usage of some metadata helper functions in favor of core
metadatacache
wrapping up v7.5.2