Enhanced OpenAir Timesheets

Improves the interface for OpenAir Timesheets.

Please Note - This DOES NOT work with the new OpenAir interface. I am working to update it, but the time to completion is unknown as I have a large number of other commitments. Provides styling and functionality enhancements for OpenAir timesheet functionality. Focused on the "Grid"/Edit screen - this extension adds: * Chosen (improved selects) for selecting project and task * Inline timers for each entry * Inline notes functionality And adds Bootstrap and theming to make the experience more enjoyable and easier to use. Changelog: 0.4 - Added Autosave and Improved notes functionality. Fixed various minor issues. 0.5 - Fixed issue with chosen selects being inline 0.6 - Added options page with slimline option 0.7 - Makes some table styling more specific to the timesheet page to avoid conflicts with other screens 0.7.1 - Minor theming cleanup 0.8 - Added a single line version (currently does not include timers) 0.9 - Highlight today. Improved theming on inactive days. Made storage per timesheet id. 0.9.1 - Fixed issue with timers disappearing on multimonth spreadsheets 0.10 - Added Calendar overview table which sums the hours for the time period by project and task. Fixed issues with timesheet page tables being too wide, themed the submission workflow more. 0.11 - Fixed a small issue with parsing some calendar entries, added some better report theming. 0.12 - Removed chosen for the time being as Open Air has done something which conflicts with chosen and breaks loading of project tasks