user-space rshim driver rshim-2.0.3

user-space rshim driver rshim-2.0.3

• Enable pci device during probing
• Map the pci resource0 file instead of /dev/mem
• Add copyright header in bootstrap.sh
• Add 'Requires' tag check in the rpm .spec for kernel-modules-extra
• Fix the 'rshim --version' output