Merge pull request #69 from wbrkt/master

Fixed: Escape $stderr in all execute() functions
Fixed: Disable warnings about usage off experimental smartmatch operator
Small fixes
Typo
Fixed: Missing libapache2-mod-fastcgi (Ubuntu Precise)
Fixed: Hide stderr output while restarting/reloading services
Small fixes
Fixed: Restrict salt character range for htuser passwords
Small fixes: Wrong syntax
Merge pull request #1 from i-MSCP/master

Merged latest changes from i-MSCP:master