Adds BSD sysdep.
Adds support for MAKE variable, overriding make command in our build
scripts.
Fixes more files not ending with newline.
This was SVN commit r10994.
Fixes object panel not being notified of map loading.
Fixes bug where opening a new map before using the player panel
prevented default player data being displayed for new players.
Fixes wxGTK 2.8 bug: wxChoicebook control doesn't update the choice
control when adding/removing pages.
Notifies player that deleting player in Atlas will delete all their
objects (and gives them the option).
Changes DeleteObject to DeleteObjects to support multiple selections.
Implements undo for map resize (experimental).
Removes annoying debug message from attempted undo of map settings.
Tweaks a few Atlas UI controls.
This was SVN commit r10064.
Replace New dialog box with separate tools for resizing maps and
replacing terrain textures, to provide more power and to simplify the
problem of initialising map settings.
Fix engine to cope with dynamic map resizing.
Add JSON support to AtObj, to let C++ interact with JSON more easily.
This was SVN commit r9566.
