new version: 2017.4.0

.gitmodules

@@ -1,11 +1,11 @@
 [submodule "simgear"]
 	path = simgear
 	url = https://git.code.sf.net/p/flightgear/simgear
-	branch = release/2017.3
+	branch = next
 [submodule "flightgear"]
 	path = flightgear
 	url = https://git.code.sf.net/p/flightgear/flightgear
-	branch = release/2017.3
+	branch = next
 [submodule "fgrun"]
 	path = fgrun
 	url = https://git.code.sf.net/p/flightgear/fgrun
@@ -13,7 +13,7 @@
 [submodule "fgdata"]
 	path = fgdata
 	url = git://git.code.sf.net/p/flightgear/fgdata
-	branch = release/2017.3
+	branch = next
 [submodule "windows-3rd-party"]
 	path = windows-3rd-party
 	url = https://git.code.sf.net/p/flightgear/windows-3rd-party
@@ -21,4 +21,4 @@
 [submodule "getstart"]
 	path = getstart
 	url = https://git.code.sf.net/p/flightgear/getstart
-	branch = release/2017.3
+	branch = next

build_release_linux.sh

@@ -14,6 +14,7 @@ mkdir -p sgBuild
 mkdir -p fgBuild
 mkdir -p output
 rm -rf output/*
+rm -rf dist/*
 
 #####################################################################################
 echo "Starting on SimGear"

version

@@ -1 +1 @@
-2017.3.1
+2017.4.0