[API] Update imnodes with minimap support (#87)

* Attempt to get imnodes minimap working

* Working minimap

* Bottom right minimap in demo

* Restoring bin/libimgui-java.so

* Fix style issue + typo

* Restoring node editor

* Fix example indents

Co-authored-by: SpaiR <klimbetoo@gmail.com>

.gitmodules

@@ -1,9 +1,6 @@
 [submodule "include/imgui"]
 	path = include/imgui
 	url = https://github.com/ocornut/imgui
-[submodule "include/imgui-node-editor"]
-	path = include/imgui-node-editor
-	url = https://github.com/thedmd/imgui-node-editor
 [submodule "include/imnodes"]
 	path = include/imnodes
 	url = https://github.com/Nelarius/imnodes
@@ -19,3 +16,6 @@
 [submodule "include/ImGuiFileDialog"]
 	path = include/ImGuiFileDialog
 	url = https://github.com/aiekick/ImGuiFileDialog
+[submodule "include/imgui-node-editor"]
+	path = include/imgui-node-editor
+	url = https://github.com/thedmd/imgui-node-editor