Core: reload (refresh), hookAjax

- Added reload, with temp storage (values surviving refresh but is
cleared afterwards, 1 pageview TTL)
- Using temp storage, store Notification messages, and reapply
afterwards.
- Added hookAjax, that can hook into Torn ajax calls. Can be hooked with
callbacks to reapply functionality.
Bugfixes: Itemsgrouping, perks bail.
Reload applied to

Bulk museum exchange, reviving, jail bail, jail bust
Hideupgradelink hookajax, TinyMCE editor

- Hookajax on hideupgradelink, hoooking refreshenergy and gym to reapply
hiding functionality.
- Function to enable TinyMCE on Textareas in Messages, Forum and Profile
signatures. Currently a few todo's/bugs yet to be fixed. With toogle
checkbox.