Install RabbitVCS svn Client in Ubunutu 12.04/12.10/13.04/13.10/14.04/14.10

Run the Terminal and go to the root with command: sudo su
We have to add the PPA or source list repository with the following command:

add-apt-repository ppa:rabbitvcs/ppa
Update your software package repositories with:

apt-get update
Then install RabbitVCS and support software package with the following commands:
apt-get install rabbitvcs-nautilus3
apt-get install rabbitvcs-gedit
apt-get install rabbitvcs-cli
apt-get install thunar-vcs-plugin
We must to install package rabbitvcs-thunar, but it package need thunarx-python version 0.3.0-1. Default software package thunarx-python in version 0.2.0, so we must to setup thunarx-python 0.3.0. How to install thunarx-python 0.3.0-1 in Ubuntu 12.04 LTS?

First step add the PPA to enable repository

add-apt-repository ppa:nilarimogard/webupd8
Update software package repositories:

apt-get update
Then install package thunarx-python
apt-get install thunarx-python
After install package thunarx-python 0.3.0-1, next install rabbitvcs-thunar with:
apt-get install rabbitvcs-thunar
After installation is complete, logout and log back in for changes to take effect.