Changed panel headings
Changed first-in-queue colouring
Change to load visualizations

Each panel now has a 'normal' max y-value set. If the data set will not
fit into that max, one or more multiples of the 'normal' max y-value
will be used to set the max. If this happens, the scale labels will
change colour: 2 multiples of 'normal' max = yellow; >2 multiples = red.
Make x-axis non-blocking for mouse-over
Add choice wether to show calculated number of worksets above stacked barcharts
Made goals plot bigger
Use aborted samples to calculate delivery times + remove x-axis numbering

Made change to use start times of aborted samples to calculate part
delivery times for projects.
Clarified chart title
Added some debugging switches in runchart data set generation function
Added legends for colours in load stacked bars
styles for colour legends in load stacked bars
Added posibility to add local copy of tools-dev projects database
Added time limits in stacked barchart data set generation functions

Used for colour coding project bars on days in production
Database source switch
Added code for a "first in queue" legend for the libprep queue panel
Merge pull request #24 from nicjar/master

New colouring scheme & "fixed" y-axis scales for load plots