Adding the Oracle RPM packages.
Update README.md
Merge branch 'master' of https://github.com/eikonomega/oracle_instant_client_for_ubuntu_64bit
Commit message.
Add specific alien commands to system_setup.py
Add creation/modification of various configuration files.

Create:
/etc/ld.so.conf.d/oracle.conf
/etc/profile.d/oracle.sh

Modify:
$HOME/.bashrc
Update README.md
Update README.md
Change os.mkdir command to os.makedirs command to allow for recursive directory creation.
Re-enable alien commands and add file insertion header to demarkate the text that system_setup.py adds to various system files.
Add program completion message.
Remove .DS_Store
Modify .gitignore.
Remove sudo from subprocess commands.
Update system_setup.py
Update program startup message.
Update system_setup.py
Update system_setup.py
Update system_setup.py
Update system_setup.py