Simplify submodules removing the intermediaire level 'blc'.

.gitmodules

 [submodule "blc_channels"]
-	path = blc_channels
+	path = i_channels
 	url = https://framagit.org/blaar/blc_channels.git
-[submodule "blc"]
-	path = blc
-	url =  https://framagit.org/blaar/blc.git
 [submodule "f_view_channel"]
 	path = f_view_channel
 	url = https://framagit.org/blaar/f_view_channel.git
+[submodule "blc_channel"]
+	path = blc_channel
+	url = git@framagit.org:blaar/blc_channel.git
+	branch = master
+[submodule "blc_core"]
+	path = blc_core
+	url = git@framagit.org:blaar/blc_core.git
+	branch = master
+[submodule "blc_graph"]
+	path = blc_graph
+	url = git@framagit.org:blaar/blc_graph.git
+	branch = master
+[submodule "blc_program"]
+	path = blc_program
+	url = git@framagit.org:blaar/blc_program.git
+	branch = master
+[submodule "blc_processes"]
+	path = blc_processes
+	url = git@framagit.org:blaar/blc_processes.git
+	branch = master
+[submodule "blc_image"]
+	path = blc_image
+	url = git@framagit.org:blaar/blc_image.git
+	branch = master

blc @ b5c55d33

-Subproject commit b5c55d33fa882412441d98562282f37b6bf7069f

blc_channel @ 7a654d77

+Subproject commit 7a654d773aaa754b7359da840c67ce8752ba9ab9

blc_core @ f262a7ff

+Subproject commit f262a7ff2c50cbc9f2bf89ecf46b78f7de2d8c15

blc_graph @ 4e8fa497

+Subproject commit 4e8fa497a3a341c2618b10b846291b0d58a749ed

blc_image @ e26d51f7

+Subproject commit e26d51f75d92faed0254105d68222137c0e525b0

blc_processes @ 1647c1ff

+Subproject commit 1647c1ff79192c10c23132f309057f7caa773b5c

blc_program @ 6b00ff43

+Subproject commit 6b00ff43de3f3228c32aac4c230a7291433f43ae