Merge pull request #66 from timschofield/develop

Develop
Merge pull request #67 from timschofield/develop

Use ansi standard CURRENT_DATE rather than the mysql alias NOW()
Start work debugging Sales Analysis functionality
Merge pull request #69 from fahadhatib/develop

Start work debugging Sales Analysis functionality
Merge pull request #68 from timschofield/develop

Fix bug stopping the links working correctly after a stock adjustment ha...