Made a prototype of the symbol sections in the drawing toolbar.

Summary:
Using a section keyword in the setup file, symbols are separated into
groups in the toolbar. At the moment there is no filtering.

Test Plan: Run Diana. Done

Reviewers: #diana

Differential Revision: https://phab.met.no/D85
Removed stray definitions that should be in the setup file.
diutil::glob: fix memory leak
Fixed colour biasing and scaling for bdiana.

Summary: Record biasing and scaling only when non-default values for them are used.

Test Plan: Add a test using yr symbols.

Reviewers: #diana

Differential Revision: https://phab.met.no/D80
re-layout of VcrossStyleWidget
vcross: plot max markers above other plot elements
error checking in qtVcrossSetup
some disentangling; some #include <> fixes
Fixed vprof in bdiana
ObsPlot: scale is split into marker.size and text.size
Not in gui yet
Bugfix: parameterSort - default value "No sort criteria"
vcross setup: make distance setting available again
vcross working with simra and hirlam and height
vcross: show model and field name in style dialog
vcross window: layer button checked == field visible
vcross: added button to remove all fields
vcross wizard: better text on 3rd wizard page
simplified interface vcross - mainwindow

 * added VcrossInterface, used in DianaMainWindow
 * added LogFileIO class, use in DianaMainWindow::readLog and writeLog
 * removed EditItemManager calls from VcrossWindow
Optimized when using station list. Uses cached VprofPlot.

Summary: This deals with preformance problems with big stations lists and redrawing.

Test Plan: Has been tested at SMHI with gribfiles. Should be tested with profiles in nedcdf format.

Reviewers: #diana, lisbethb

Reviewed By: #diana, lisbethb

Subscribers: lisbethb, #diana

Differential Revision: https://phab.met.no/D86
vcross: bugfix TestVprofData