Log file validator fix

v1.1.1

Fix log file validator

Improved validations

This release comes with a bunch of improvements:

• Validation for CRON time format
• Validation for command and log files
• Disable the display of log content for security concerns
• Tests with PHPUnit
• Improved design

Alpha

Merge pull request #1 from FriendsOfAkeneo/develop

Merge develop with master