Fix activatable object recharge.
Fix identification of worn objects so that they don't appear on the ground.
Fix 'your feel your head clear'.
Update some monster plurals. [1424]
Shift control characters only when needed.
Check inscriptions when commands from object context menu. [1794]
Make pick up command gray out properly.
Prevent item menu from appearing when picking up from a context menu.
Check for ^ inscriptions when using object context menu.
Match object context menu keys to current keymap keys.
Update cave context menu to use correct keys and to check inscriptions.
Update player context menus to use correct keys and to check inscriptions.
Add validation to 'activate' object context command.
Drop equipped items when squelched (with confirmation). [1737]
Add inscription to squelced equipment to avoid random confirmations.
Use correct keymap for tagged objects. [1775]
Make fists 1d1. [1795]
Merge pull request #277 from bensemmler/fix-activation

Merge more bugfixes from Ben:
* Fixes more side effects of the identify order fix (#1037).
* Fixes some grammar and updates some plurals (#1424).
* Fixes a problem where inscriptions (such as !d) weren't being detected because of the UN_KTRL on all chars.
* Adds inscription checking (for ! and ^) to player, cave, and object context menus (#1794).
* Makes context menu keys reflect the current keymap, when possible.
* Invalidates "Activate" on object context menu when an artifact isn't equipped or isn't charged.
* Implements #1737 with a confirmation prompt.
* Fixes #1775.
* Fixes #1795.