Update 3_advanced/b_modules_containers/install.singularity

3_advanced/b_modules_containers/install.singularity

-sudo apt-get update && sudo apt-get install -y build-essential libssl-dev uuid-dev libgpgme11-dev squashfs-tools wget git cryptsetup-bin
+sudo apt-get update && sudo apt-get install -y build-essential libssl-dev uuid-dev libgpgme11-dev libglib2.0-dev
+squashfs-tools wget git cryptsetup-bin
 
 export VERSION=1.11 OS=linux ARCH=amd64
 cd /tmp
@@ -12,7 +13,7 @@ source ~/.bashrc
 
 mkdir -p $GOPATH/src/github.com/sylabs
 cd $GOPATH/src/github.com/sylabs
-git clone https://github.com/sylabs/singularity.git
+git clone --recurse-submodules https://github.com/sylabs/singularity.git
 cd singularity
 
 go get -u -v github.com/golang/dep/cmd/dep