freeminer: Fix build and metadata

metadata/org.freeminer.freeminer.txt

@@ -7,7 +7,8 @@ Issue Tracker:https://github.com/freeminer/freeminer/issues
 Name:freeminer
 Summary:Minecraft-inspired sandbox game
 Description:
-Block sandbox game and a game engine, inspired by InfiniMiner, Minecraft and the like.
+Fork of [[net.minetest.minetest]], a block sandbox game and a game engine
+inspired by InfiniMiner, Minecraft and the like.
 
 Features:
 - Explore, dig and build in a voxel world, and craft stuff from raw materials to help you along the way.
@@ -19,10 +20,11 @@ Features:
 - Supports multiple languages, translated by the community.
 - A constant development to add new functionalities for end-users
 .
+
 Repo Type:git
 Repo:https://github.com/freeminer/freeminer.git
 
-Build:0.4.12.6,13
+Build:0.4.12.6.13,13
     commit=202a17e58eecb6325a55bee5404e1d4a59021047
     submodules=yes
     output=bin/freeminer-release-unsigned.apk
@@ -35,12 +37,6 @@ Build:0.4.12.6,13
             "SDKFOLDER = $$SDK$$" > path.cfg && \
         for n in 1 2 3; do make release && break; done
 
-Maintainer Notes:
-* No UCM applies since it's not using AM.xml but a template (like Firefox etc.)
-* Sometimes needs multiple build runs. Maybe re-add for-loop:
-    for n in 1 2 3; do make release; break; done
-.
-
 Update Check Mode:None
-Current Version:0.4.12.6
+Current Version:0.4.12.6.13
 Current Version Code:13