how to install Birdfont 1.3 on Ubuntu 14.10 and Linux Mint 17

Hello friends, as you know BirdFont is a free font editor that lets you create vector graphics and export TTF, EOT  SVG fonts.
has around 42 000 lines of code and comes with translations and bug-fixes.
LICENSE  Open Source  
BIRDFONT 1.3


how to install Birdfont 1.3 on Ubuntu 14.10 , Linux Mint 17 ,Pinguy OS 14.04, Elementary OS 0.3 Freya and Deepin 2014

$ sudo add-apt-repository ppa:ubuntuhandbook1/birdfont
$ sudo apt-get update
$ sudo apt-get install birdfont

 remove birdfont

$ sudo apt-get remove birdfont