Merge pull request #19 from karlito139/master

Corrected the definition of the crontask for rex.
Merge pull request #20 from karlito139/master

Moved the crontask of rex.
Merge pull request #21 from karlito139/master

Made the install a little bit more stable and streat forword.
Merge branch 'master' of github.com:lamamos/lamamos_installation_script