Added script to setup environment

with the command "source envsetup.profile" the user can now add
useful paths and aliases to its shell environment

Signed-off-by: Raffaele Aquilone <aquiloneraf@gmail.com>
Ignore output in bin/ folder

Add local .gitignore to rule out testing applications from the repo

Signed-off-by: Raffaele Aquilone <aquiloneraf@gmail.com>
Merge branch 'buildsys_start' into buildsys