Added support to Elementary OS 0.2
Fixing consistency.  

wget is use salt_install.sh and curl is use install_salt.sh.   Making everything use install_salt.sh.
Merge pull request #382 from JasonSwindle/patch-1

Fixing consistency.
Merge pull request #376 from wincus/develop

Added support to Elementary OS 0.2
Update changes log.
Add Juan A. Moyano(@wincus) to AUTHORS