Try to make format mostly consistent. No tabs for the moment, although

we could switch to smart tabs (i.e. tab for indent, space for align.)

util/install.sh

@@ -63,7 +63,9 @@ function kernel {
         # Ensure /boot/grub/menu.lst boots with initrd image:
         sudo update-grub
 
-	# The default should be the new kernel. Otherwise, you may need to modify /boot/grub/menu.lst to set the default to the entry corresponding to the kernel you just installed.
+        # The default should be the new kernel. Otherwise, you may need to modify 
+        # /boot/grub/menu.lst to set the default to the entry corresponding to the
+        # kernel you just installed.
     fi
 
 }
@@ -89,7 +91,8 @@ function mn_deps {
         sudo easy_install --upgrade networkx
     fi
 
-	#Add sysctl parameters as noted in the INSTALL file to increase kernel limits to support larger setups:
+    # Add sysctl parameters as noted in the INSTALL file to increase kernel 
+    # limits to support larger setups:
     sudo su -c "cat $HOME/mininet/util/sysctl_addon >> /etc/sysctl.conf"
 
     # Load new sysctl settings:
@@ -111,7 +114,8 @@ function of {
     echo "Installing OpenFlow and its tools..."
 
     cd ~/
-	sudo apt-get install -y git-core automake m4 pkg-config libtool make libc6-dev autoconf autotools-dev gcc
+    sudo apt-get install -y git-core automake m4 pkg-config libtool \
+		make libc6-dev autoconf autotools-dev gcc
     git clone git://openflowswitch.org/openflow.git
     cd ~/openflow
 
@@ -134,7 +138,8 @@ function of {
     mkdir -p ~/.wireshark
     cp ~/mininet/util/colorfilters ~/.wireshark
 
-	# Remove avahi-daemon, which may cause unwanted discovery packets to be sent during tests, near link status changes:
+    # Remove avahi-daemon, which may cause unwanted discovery packets to be 
+	# sent during tests, near link status changes:
     sudo apt-get remove -y avahi-daemon
 
     # Disable IPv6.  Add to /etc/modprobe.d/blacklist:
@@ -187,7 +192,8 @@ function nox {
     echo "Installing NOX w/tutorial files..."
 
     # Install NOX deps:
-	sudo apt-get -y install autoconf automake g++ libtool python python-twisted swig  libxerces-c2-dev libssl-dev make
+    sudo apt-get -y install autoconf automake g++ libtool python python-twisted \
+		swig  libxerces-c2-dev libssl-dev make
     if [ "$DIST" = "Debian" ]; then
         sudo apt-get -y install libboost1.35-dev
     elif [ "$DIST" = "Ubuntu" ]; then
@@ -326,7 +332,7 @@ function vm_clean {
     history -c  # note this won't work if you have multiple bash sessions
     rm -f ~/.bash_history  # need to clear in memory and remove on disk
     rm -f ~/.ssh/id_rsa* ~/.ssh/known_hosts
-	sudo rm -f ~/.ssh/authorized_keys2
+    sudo rm -f ~/.ssh/authorized_keys*
 
     # Remove Mininet files
     #sudo rm -f /lib/modules/python2.5/site-packages/mininet*