Merge branch 'master' into jgrpp

# Conflicts:
#	src/lang/afrikaans.txt
#	src/lang/basque.txt
#	src/lang/belarusian.txt
#	src/lang/brazilian_portuguese.txt
#	src/lang/bulgarian.txt
#	src/lang/catalan.txt
#	src/lang/croatian.txt
#	src/lang/czech.txt
#	src/lang/danish.txt
#	src/lang/dutch.txt
#	src/lang/english.txt
#	src/lang/english_AU.txt
#	src/lang/english_US.txt
#	src/lang/estonian.txt
#	src/lang/finnish.txt
#	src/lang/french.txt
#	src/lang/gaelic.txt
#	src/lang/galician.txt
#	src/lang/german.txt
#	src/lang/greek.txt
#	src/lang/hebrew.txt
#	src/lang/hungarian.txt
#	src/lang/icelandic.txt
#	src/lang/indonesian.txt
#	src/lang/irish.txt
#	src/lang/italian.txt
#	src/lang/japanese.txt
#	src/lang/korean.txt
#	src/lang/latin.txt
#	src/lang/latvian.txt
#	src/lang/lithuanian.txt
#	src/lang/luxembourgish.txt
#	src/lang/norwegian_bokmal.txt
#	src/lang/norwegian_nynorsk.txt
#	src/lang/polish.txt
#	src/lang/portuguese.txt
#	src/lang/romanian.txt
#	src/lang/russian.txt
#	src/lang/serbian.txt
#	src/lang/simplified_chinese.txt
#	src/lang/slovak.txt
#	src/lang/slovenian.txt
#	src/lang/spanish.txt
#	src/lang/spanish_MX.txt
#	src/lang/swedish.txt
#	src/lang/tamil.txt
#	src/lang/thai.txt
#	src/lang/traditional_chinese.txt
#	src/lang/turkish.txt
#	src/lang/ukrainian.txt
#	src/lang/unfinished/persian.txt
#	src/lang/vietnamese.txt
#	src/lang/welsh.txt
#	src/rail_cmd.cpp
#	src/station_cmd.cpp

src/group_gui.cpp

@@ -776,7 +776,7 @@ public:
 			}
 
 			case WID_GL_CREATE_GROUP: { // Create a new group
-				DoCommandP(0, this->vli.vtype, 0, CMD_CREATE_GROUP | CMD_MSG(STR_ERROR_GROUP_CAN_T_CREATE), CcCreateGroup);
+				DoCommandP(0, this->vli.vtype, this->vli.index, CMD_CREATE_GROUP | CMD_MSG(STR_ERROR_GROUP_CAN_T_CREATE), CcCreateGroup);
 				break;
 			}