Previously, if you did `make envpaths` (as described in README.android), the new file got listed by git as new file.

@RealBadAngel has removed all outside access of the cache.

Bugfix: minimap was updated only with loading new blocks, allow forced updates with changing player pos

Add missing check for max_stone_y to mgv5 cavegen
Tunnels now carve through sand below water_level

Thanks @TeTpaAka for pointing this out.

Fix grammar error and missing number conversion for version.
Also add deployed protocol to log line.

Improve shift+click experience

-> remove the old parent as @kahrl suggested
-> use indices no iterator as @kwolekr suggested

* Use enum for GENERIC_CMD_*
* Rename m_attachements to attachement_parent_ids (public member and clearer name)
* Rename GENERIC_CMD_SET_ATTACHMENT to GENERIC_CMD_ATTACH_TO
* USHRT_MAX + 1 buffer sizes to prevent overflows as @kahrl suggested
* Remove unneccessary m_id from GenericCAO (shadowing protected superclass member for no reason) as @kahrl suggested