Deprecate provides_history_actions parameter in .info files

Fixes #164
Organism: only store the parameters for insert query
Organism: only store the parameters for delete query
Organism: only store the parameters for update query
Links: only store the parameters for history queries
Links, wx Links: keep track of last known link targets and update their icons
wx Development: fix minor bug
Core: try to store text diffs in history for update queries

Addresses #287