LessCSSPlugin: return original text if not a .less file
LessCSSPlugin: return original text if not a .less file

JeNeSuisPasDave/hyde,printerpam/hyde,jd/hyde,stiell/hyde,0111001101111010/hyde,jd/hyde,bheesham/hyde,printerpam/hyde,stiell/hyde,Valloric/hyde,hyde/hyde,Ali-Razmjoo/hyde,hyde/hyde,netzverweigerer/hyde,jngeist/hyde,Ali-Razmjoo/hyde,JeNeSuisPasDave/hyde,JeNeSuisPasDave/hyde,hyde/hyde,bheesham/hyde,netzverweigerer/hyde,jngeist/hyde,netzverweigerer/hyde,printerpam/hyde,jngeist/hyde,0111001101111010/hyde,jd/hyde,Valloric/hyde,Ali-Razmjoo/hyde,bheesham/hyde