fix menu separators + sys dir restructure

sys/init/4.user.lua

@@ -0,0 +1,49 @@
+local Util = require('util')
+
+local fs    = _G.fs
+local shell = _ENV.shell
+
+if not fs.exists('usr/apps') then
+	fs.makeDir('usr/apps')
+end
+if not fs.exists('usr/autorun') then
+	fs.makeDir('usr/autorun')
+end
+
+-- TODO: Temporary
+local upgrade = Util.readTable('usr/config/shell')
+if upgrade and (not upgrade.upgraded or upgrade.upgraded ~= 1) then
+	fs.delete('usr/config/shell')
+end
+
+if not fs.exists('usr/config/shell') then
+	Util.writeTable('usr/config/shell', {
+		aliases  = shell.aliases(),
+		path     = 'usr/apps',
+		lua_path = package.path,
+		upgraded = 1,
+	})
+end
+
+local config = Util.readTable('usr/config/shell')
+if config.aliases then
+	for k in pairs(shell.aliases()) do
+		shell.clearAlias(k)
+	end
+	for k,v in pairs(config.aliases) do
+		shell.setAlias(k, v)
+	end
+end
+
+local path = config.path and Util.split(config.path, '(.-):') or { }
+table.insert(path, 'sys/apps')
+for _, v in pairs(Util.split(shell.path(), '(.-):')) do
+	table.insert(path, v)
+end
+
+shell.setPath(table.concat(path, ':'))
+
+_G.LUA_PATH = config.lua_path
+_G.settings.set('mbs.shell.require_path', config.lua_path)
+
+fs.loadTab('usr/config/fstab')