0.5.1.39

• Fixed wrong unit test command for lua scripts
• Removed arguments for unit test as they are not used.
• Disabled docs if python is missing (or less then 2.6)
• Switched to regular find python cmake module
• Added whats new for 0.5.1
• Fixed error handling when checks crash
• Added unit test for scheduler
• python unittest helper lib: Added assert_gt and asser_lt to check values
• Added --show-all to nscp unit to show all results of the testcase (not just failed ones)
• Fixed rare crash when logger shuts down
• Fixed rare crash when scheduler shuts down
• Fixed scheduler interval being off
• Added randomness to the scheduler to dictate how much randomness you want (default is 0)
• core: Fixed loading module with alias via API
• Fixed exclude parsing when converting CheckServiceState commands (much faster now)