Add style command && applied new style format to existing code && setup tests plugins

.astylerc

@@ -0,0 +1,13 @@
+suffix=none
+recursive
+--style=kr
+--indent=spaces=4
+--align-pointer=name
+--align-reference=name
+--convert-tabs
+--attach-namespaces
+--max-code-length=100
+--max-instatement-indent=120
+--pad-header
+--pad-oper
+--lineend=linux