Add: Add introduction of Ubuntu_install in README.
Add: Add headers for Ubuntu_install.sh.
Add: Add structure of var/fun definition and do.
Add: Add structure of environment.
Add: Add function to apt install array of tools.
Add: Add variabless for basic tools.
Add: Add function to install Calibre.
Add: Add variables and functions for CUDA.
Add: Add variables and functions for OpenCV.
Add: Add variables and functions for TeXlive.
Add: Add headers for Ubuntu_config.sh.
Add: Add codestructure.
Add: Add variables and functions for ssh.
Add: Add variables and functions for git.
Add: Make config work for git and ssh temporarily.
Merge branch 'f-os_Ubuntu_config' into develop.

Change: Add variables and functions to config ssh and git.
Add: Add curl, ack. python-xlib for Emacs24.

Change: Add installation of ack, curl and python-xlib for Emacs24.

* curl is needed by Emacs Prelude installation
* ack is needed by Emacs Prelude
* python-xlib is needed for Emacs ibus support
Mod: create_machine_name() can create ppm.cnf.

Change: create_machine_name() can create ppm.cnf.
Fix: Create project with existing ppm.conf.
Add: Add option -p for ppa installation indicator.