Updated some Phoenix documentation:

- Added RichTextCtrl overview;
- Updated `index.rst` to include richtext and webkit packages;
- Added a bunch of converted samples from C++ to Python.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75524 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
AGW on Phoenix: fixed `floatspin.py` textctrl height in the `OnSize` event handler (back-ported from Classic).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75526 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
AGW on Phoenix: force a redraw after `ExpandAllChildren` has been called on `customtreectrl.py`. Back-ported from Classic.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75531 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
AGW on Phoenix: fix wrong rendering of text colour for `CustomTreeCtrl` tree items and correctly cast sip pointers to ints to be able to draw nice panes in `wx.lib.agw.aui`.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75573 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
`wx.lib` on Phoenix: modify `treemixin.py` to allow CustomTreeCtrl support since the switch to the `agwStyle` keywork argument.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75574 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
AGW on Phoenix: allow tooltips on tab area buttons for `AuiNotebook`

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75575 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
AGW on Phoenix: apply Rob's patch: when using DetachPane on panes in an automatic notebook. If you remove all the panes from the notebook and then call UpdateNotebook, the notebook gets removed, but the panes hadn't been reparented to the frame so they get destroyed. Back-ported from Classic.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75577 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix some "wxPython" package names --> "wx" in comments, etc.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75580 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
show the value of cfg.VERSION when building

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75581 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add missing EVT_STC_HOTSPOT_RELEASE_CLICK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75582 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Add test for wx.FlexGridSizer.GetColWidths and GetRowHeights

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75583 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Updates from Werner, PR25

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75584 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 29 from Werner

- make CDate compatible with py2/py3
- add documentation to CDate and add Phoenix tags
- create some unittests for CDate

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75591 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 31 from Metallicow. Py3 and Phoenix updates for colourchooser.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75592 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 32 from Metallicow. Py3 and Phoenix updates for analog clock.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75593 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 33 from Metallicow. Py3 and Phoenix updates for editor.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75594 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 34 from Metallicow. Py3 and Phoenix updates for art.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75595 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 35 from Metallicow. Py3 and Phoenix updates for maskededit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75596 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Part of PR 36 from Metallicow. Py3 and Phoenix updates for maskededit.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75597 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
PR 37 from Metallicow. Pen and Brush style updates

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@75598 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775