Merge branch 'layer/essentials' into layer/all

.gitmodules

@@ -72,7 +72,7 @@
 	url = git@github.com:tarsius/morlock.git
 [submodule "no-littering"]
 	path = lib/no-littering
-	url = git@github.com:emacscollective/no-littering.git
+	url = https://github.com/emacscollective/no-littering.git
 [submodule "orgit"]
 	path = lib/orgit
 	url = https://github.com/magit/orgit.git
@@ -93,7 +93,7 @@
 	url = git@github.com:tarsius/paren-face.git
 [submodule "queue"]
 	path = lib/queue
-	url = git@github.com:emacsmirror/queue.git
+	url = https://github.com/emacsmirror/queue.git
 [submodule "rainbow-mode"]
 	path = lib/rainbow-mode
 	url = git@github.com:emacsmirror/rainbow-mode.git
@@ -109,7 +109,7 @@
 [submodule "undo-tree"]
 	remote = silent http://www.dr-qubit.org/git/undo-tree.git
 	path = lib/undo-tree
-	url = git@github.com:tarsiiformes/undo-tree.git
+	url = https://github.com/tarsiiformes/undo-tree.git
 [submodule "with-editor"]
 	path = lib/with-editor
 	url = https://github.com/magit/with-editor.git
@@ -118,4 +118,4 @@
 	url = https://github.com/zkry/yaml.el.git
 [submodule "yaml-mode"]
 	path = lib/yaml-mode
-	url = git@github.com:yoshiki/yaml-mode.git
+	url = https://github.com/yoshiki/yaml-mode.git

lib/no-littering

@@ -1 +1 @@
-Subproject commit ef02b6fcedd97f3ab039b51411fdaab7336d819b
+Subproject commit d80f442c15a1e81ce939891bbb4497a0559831b9

lib/undo-tree

@@ -1 +1 @@
-Subproject commit 7eb78fa1fcb076621235c46fc730f485d3225dbb
+Subproject commit f55637665de4dc1f3d8cae28f456a84b3a5655f8

lib/yaml-mode

@@ -1 +1 @@
-Subproject commit b153150e0e77b4ec462d741cdb16956c6ae270d6
+Subproject commit 7b5ce294fb15c2c8926fa476d7218aa415550a2a