Add %MEM% and %VCPUS% tags to vm_conf_files (#115)

vm_conf_files/appvm-template.conf

@@ -7,7 +7,7 @@ ramdisk="%TEMPLATEDIR%/kernels/initramfs"
 extra="ro nomodeset xencons=hvc rd_NO_PLYMOUTH 3"
 root="/dev/mapper/dmroot"
 
-memory = 400
+memory = %MEM%
 name = "%VMNAME%"
 
 disk = [ 'snapshot:%TEMPLATEDIR%/root.img:%TEMPLATEDIR%/root-cow.img,xvda,r', 
@@ -16,7 +16,7 @@ disk = [ 'snapshot:%TEMPLATEDIR%/root.img:%TEMPLATEDIR%/root-cow.img,xvda,r',
 	 'file:%VMDIR%/swap-cow.img,xvdd,w'
        ]
 
-vcpus = 1
+vcpus = %VCPUS%
 
 on_poweroff = 'destroy'
 on_reboot   = 'destroy'

vm_conf_files/netvm-template.conf

@@ -7,7 +7,7 @@ ramdisk="%TEMPLATEDIR%/kernels/initramfs"
 extra="ro nomodeset xencons=hvc swiotlb=force pci=nomsird_NO_PLYMOUTH 3"
 root="/dev/mapper/dmroot"
 
-memory = 400
+memory = %MEM%
 name = "%VMNAME%"
 
 pci = [ %PCIDEVS% ]
@@ -18,7 +18,7 @@ disk = [ 'snapshot:%TEMPLATEDIR%/root.img:%TEMPLATEDIR%/root-cow.img,xvda,r',
 	 'file:%VMDIR%/swap-cow.img,xvdd,w'
        ]
 
-vcpus = 1
+vcpus = %VCPUS%
 
 on_poweroff = 'destroy'
 on_reboot   = 'destroy'