update readme, apply latest libdevuansdk

README.md

@@ -28,7 +28,7 @@ dev-libs/libisoburn sys-fs/squashfs-tools sys-boot/syslinux
 After cloning the live-sdk git repository, enter it and issue:
 
 ```
-git submodule update --init
+git submodule update --init --recursive --checkout
 ```
 
 ### Updating
@@ -36,7 +36,7 @@ git submodule update --init
 To update live-sdk, go to the root dir of the git repo and issue:
 
 ```
-git pull && git submodule update --init --recursive
+git pull && git submodule update --init --recursive --checkout
 ```
 
 ## Quick start

lib/libdevuansdk

@@ -1 +1 @@
-Subproject commit 703d75224723abbc0bd5da1eeb42afa88aa11a49
+Subproject commit 61fa850968527d68c1d8e3c1bb4c085b97006641