Add a drop all command to object context menus.
Add monster and object list commands to the player context menu.
Add a player context menu command to center the map on the player, if the option to auto center is not set.
Add squelch commands to object context menu.
Add key presses to command list of player context menu.
Allow spacebar to close get_item() menus.
Turn mouse movement on by default.
change center map option in player context menu to command function from keypress.
Fix unignore context menu usage.
In the location context menus, hide chest options if the chest is squelched.
Draw inspect info just before an object context menu.
for windows, change alphablending constant to proper name.
Move windows menu ids to a new header file so they can be used in the resource file.
Add core windows options to windows menu bar.
Allow mouse to toggle options in windows options and to exit the window options menu.
Context menus now use keypresses as labels. Also, take off/equip context option of weapon slot is fixed.
Fix a context menu option label.
Add context menu option to lock doors.
Merge Blubaron's latest fixes

* blubaron/pull-req-various3:
  Add context menu option to lock doors.
  Fix a context menu option label.
  Context menus now use keypresses as labels. Also, take off/equip context option of weapon slot is fixed.
  Allow mouse to toggle options in windows options and to exit the window options menu.
  Add core windows options to windows menu bar.
  Move windows menu ids to a new header file so they can be used in the resource file.
  for windows, change alphablending constant to proper name.
  Draw inspect info just before an object context menu.
  In the location context menus, hide chest options if the chest is squelched.
  Fix unignore context menu usage.
  change center map option in player context menu to command function from keypress.
  Turn mouse movement on by default.
  Allow spacebar to close get_item() menus.
  Add key presses to command list of player context menu.
  Add squelch commands to object context menu.
  Add a player context menu command to center the map on the player, if the option to auto center is not set.
  Add monster and object list commands to the player context menu.
  Add a drop all command to object context menus.
Initial changes to incorporate APW borg - does not compile (util.c line 344)