Merge pull request #27 from emcek/master

atom-shell-18.2 and atom-140
Update atom to 0.141.0 and atom-shell to 0.19.0
Add default font dependency for atom
Deleting old versions
Merge pull request #28 from aegypius/atom-0.141

Update atom to 0.141.0 and atom-shell to 0.19.0