Merge branch 'nd/mv-code-cleaning'

Code clean-up. * nd/mv-code-cleaning: mv: no SP between function name and the first opening parenthese mv: combine two if(s) mv: unindent one level for directory move code mv: move index search code out mv: remove an "if" that's always true mv: split submodule move preparation code out mv: flatten error handling code block mv: mark strings for translations