Merge pull request #17 from xtuple/master

catching up
issue #19550: Set up baseline functions and attributes for quote item.
issue #19550: Fill out extended price.
issue #19550: Build support for calculating from discount.
issue #19550: Add support to recalculate percentages.
issue #19550: Fill out pricing function.
Merge branch 'master' into 19550
Merge branch 'master' into 19550
issue #19550: Calculate line number. Normalize names a bit for less pain when we get to sales order.
issue #19550: Incremental progress on quote item
issue #19550: More incremental progress on quote line.
issue #19550: Working through quote header logic
issue #19950: Add new quote functions. Fix some problems
issue #19550: Add margin to quote orm
issue #19550: Add support for freight weight.
Merge pull request #18 from xtuple/master

catching up
Merge branch 'master' into 19550
issue #19550: Add support for tax calculations.
Merge pull request #19 from xtuple/master

db installer bugfix
Merge branch 'master' into testStuff