Allow cycling between multiple log commands

- Introduced a new optional user config command, allBranchesLogCmds
- When pressing 'a' in the Status view, cycle between non-empty, non-identical log commands
- There will always be at least one command to run, since allBranhesLogCmd has a default
- Update documentation & write an integration test
- Update translation string

schema/config.json

@@ -580,9 +580,16 @@
         },
         "allBranchesLogCmd": {
           "type": "string",
-          "description": "Command used to display git log of all branches in the main window",
+          "description": "Command used to display git log of all branches in the main window.\nDeprecated: User `allBranchesLogCmds` instead.",
           "default": "git log --graph --all --color=always --abbrev-commit --decorate --date=relative  --pretty=medium"
         },
+        "allBranchesLogCmds": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array",
+          "description": "Commands used to display git log of all branches in the main window, they will be cycled in order of appearance"
+        },
         "overrideGpg": {
           "type": "boolean",
           "description": "If true, do not spawn a separate process when using GPG",