Don't use buildscripts, game is already build.

This is helping me to update the mods from their git sources.
You need upper directory mods_src, where all mods are cloned from git.

Something like:
- mods_src (Mod sources directory)
- my_changes (Directory with my changes - files and patches)
- a-planet-alive (Game directory - from git)
    - buildscripts (build scripts directory)
    - menu (game data, like pictures, ...)
    - mods (Game mod directory)
    - ...

Scripts are originally from "minetest-game-whynot" and they helped me, so I decided to let them here.

NOT NEEDED FOR GAME, CAN BE REMOVED.

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Script info
-----------
Bash scripts
	- default use on Linux
	- WLS on Windows could work (not tested)

01_src-update.sh
****************
	- get new date from git repository into the mods_src directory

02_build_pa.sh
**************
	- copy all mods to game mods directory "./mods/"
	- generates mod_sources.txt
	
03_my_updates.sh
****************
	- copy my extra files to the mods (like extra textures, skins, ...)
	- use my patches to the mods (tenporary solution, till implemented in the mods)

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