Add screen/mouse anchoring mode to PopupView
Change semantics for popup view to ignore parent if anchor mode is cursor
Lint updates
Merge pull request #28 from nmichaud/popup_anchor_mode

Add screen/mouse anchoring mode to PopupView
add qt api modules
make env check null safe
import from the qt api modules
fix typo
make event type PySide safe
make signal connections PySide safe
make checked handlers PySide safe
add date and time compatibility with pyside
wip commit
rename layoutWidget -> centralWidget
add primary pane and a central pane

this allows the dock bar animations to progress without need to allocate
extra widgets for the purpose of clipping.
update to be dock bar friendly
refactor and document
update docs to reflect argument flexibility.
don't constrain the maximum size of the dock area
set the center point before doing a hit test.