Blender Git Loki

Fixed RNA update callbacks to ensure the hair path cache is rebuilt.

Fix for hair shape key ui script.

Fixed some ui script errors.

Fixed some uses of ob->shapenr instead of psys->shapenr.

Replaced the single `ID *from` pointer in shape keys with a more
detailed `owner` struct.

This allows distinction of classic ID block shape keys from particle
system keys.

Evaluate shape keys when building the particle path cache.

Placeholder widget code for spotlamps

Shape key "specials" menu for particle shape keys.

Renamed file to make it consistent with object shapekey operators.

Fix for RNA using ptr->id.data instead of ptr->data for ParticleSystem.

Merge branch 'master' into wiggly-widgets

Move widget drawing at a higher level - try drawing on top of rendering
too.

Rationale - widgets might be useful to have even on rendered scenes -
we'll have to see about how this will work

Also use area initialization code to register region specific widgets once.

lala

Conversion functions from/to hair shape keys to particle data.

Shape key infrastructure for hair.

Merge branch 'master' into wiggly-widgets

Merge branch 'wiggly-widgets' into gooseberry

Fix release comfirm for central widget in transform operator

Fixes to highlight code, now widgetmaps remember last active widget and
reset accordingly.

Merge branch 'hair_immediate_fixes' into gooseberry

Improved child hair curling for interpolated child particles.

The curl radius for children in interpolated mode was calculated using
the total offset from the parent particle. This leads to very large
radii when the distance is large due to sparse parents. Such behavior is
also very unrealistic because the curl radius is mostly constant and
defined by the material properties.

All the child hairs are roughly parallel by default. To simulate the
agglomeration of children into hair wisps the "flatness" parameter is
now used to clump them together.