Moved Common to external git repo

Also changed namespace from LXC to PashaBibko::LXC

CMakeLists.txt

@@ -14,6 +14,9 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})
 enable_testing()
 add_subdirectory(external/googletest)
 
+# Adds external projects #
+add_subdirectory(external/util)
+
 # Adds the sub-directories of all of the binaries #
 # The order is equivalent to which order they are compiled #
 add_subdirectory(lexer)