Backport water treatment to the product editor (inluding the bugs).

Fixes and optimisations for water calculation.

Upgraded jqwidgets from version 6.0.6 to 6.2.0

Added sparge water acid calculation. Added residual alkalinity calculation.

Some pH calculations cane use twice as much loops, probably because we have better float precision then the original pascal code. More variables to prevent html reads. Use predicted mash pH (the grist in demi water) to calculate the pH shift from the tapwater to the target pH. It's better but not right yet. Or it is right and brouwhulp is far off.

Added f_acid_to_ph_57 to the fermentables json in the recipes. The protonDeficit now processes the grist. Water pH calculations are partly in place. Added simple BU and Cl/So4 indicators. Redesign of the water screen.

Estimate OG recalculation now uses the equipment profile. Added basic water calculations.

Import from brouwhulp fix style color ranges. Added calcSVG and calcABV calculation. Added batch size, time, efficiency and og change actions. Added style select and redesigned the first tab to fit this in. When equipment is changed, recalculate the recipe. Added print button.

Merged prod_main and prod_recipe database tables into products. Added recipe tabs in the products editor.

Better stage detection during product import from brouwhulp. Added tooltips for treated water.

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mercurial