divided into 2 luachecks

.luacheck_tidy

@@ -0,0 +1,9 @@
+allow_defined_top = true
+
+read_globals = {
+	"minetest",
+	"dump", "vector",
+	"VoxelManip", "VoxelArea",
+	table = { fields = { "copy" } },
+	"lightning",
+}

.luacheckrc

@@ -7,3 +7,5 @@ read_globals = {
 	table = { fields = { "copy" } },
 	"lightning",
 }
+
+ignore = {"211", "212", "213", "631"}

.travis.yml

@@ -6,8 +6,18 @@ addons:
     - luarocks
 before_install:
   - luarocks install --local luacheck
+env:
+  - CONFIG=.luacheckrc
+  - CONFIG=.luacheck_tidy
+matrix:
+  exclude:
+  - name: "health check"
+    env: CONFIG=.luacheckrc
+  allow_failures:
+  - name: "beauty check"
+    env: CONFIG=.luacheck_tidy
 script: 
-- $HOME/.luarocks/bin/luacheck --no-color .
+- $HOME/.luarocks/bin/luacheck --config $CONFIG .
 notifications:
   email:
     on_failure: change