Added python-opengl as a pyqtgraph dependency.

INSTALL

@@ -34,9 +34,9 @@ You can install python-magic from your distro's repositories, or from source (ft
 
 	$ sudo apt-get install python-magic
 
-Next, you'll need to install the dependencies for pyqtgraph:
+Next, you'll need to install the dependencies for pyqtgraph (you may also need to install OpenGL drivers for your video card):
 	
-	$ sudo apt-get install python-qt4 python-qt4-gl python-numpy python-scipy
+	$ sudo apt-get install python-opengl python-qt4 python-qt4-gl python-numpy python-scipy
 
 Most distros don't have pyqtgraph in their repositories, so you'll need to build it from source:
 

src/easy_install.sh

@@ -91,14 +91,14 @@ function debian
 
 	# Install binwalk/fmk pre-requisites and extraction tools
 	$SUDO apt-get -y install git build-essential mtd-utils zlib1g-dev liblzma-dev ncompress gzip bzip2 tar arj p7zip p7zip-full openjdk-6-jdk
-	$SUDO apt-get -y install python-qt4 python-qt4-gl python-numpy python-scipy
+	$SUDO apt-get -y install python-opengl python-qt4 python-qt4-gl python-numpy python-scipy
 }
 
 function redhat
 {
 	$SUDO yum groupinstall -y "Development Tools"
 	$SUDO yum install -y git mtd-utils unrar zlib1g-dev liblzma-dev xz-devel compress gzip bzip2 tar arj p7zip p7zip-full openjdk-6-jdk
-	$SUDO yum install -y python-qt4 python-qt4-gl python-numpy python-scipy
+	$SUDO yum install -y python-opengl python-qt4 python-qt4-gl python-numpy python-scipy
 }
 
 if [ "$1" == "" ] || [ "$1" == "--sumount" ]