Makefile: add toxic.desktop to install target
Merge pull request #273 from Ansa89/trivial-fix

Makefile: add toxic.desktop to install target
Makefile: revert back to mkdir
Merge pull request #274 from Ansa89/trivial-fix

Makefile: revert back to mkdir
Fix Tox/toxic#276
Merge pull request #278 from Ansa89/trivial-fix

Fix Tox/toxic#276