Moved Common to external git repo

Also changed namespace from LXC to PashaBibko::LXC

.gitattributes

@@ -1,2 +1,9 @@
-# Auto detect text files and perform LF normalization
+# Normalizes line ending characters across all files #
 * text=auto
+
+# Makes sure git propely recognises all languages used #
+
+*.cpp linguist-language=C++
+*.h linguist-language=C++
+
+*.lx linguist-language=Text