* ALL: More changes for wxDC based zooming.
* 3D_VIEWER: Wrap 3d_viewer.h to prevent redefinitions.
* CVPcb: Replace wxList with boost::ptr_vector and take advantage of boost::foreach.
* CVPcb: Fix automatic association bug.
* CVPcb: Rename some variables for clarity and some minor code clean ups.
* CVPcb: Fix GTK sizing issue in library and path dialog.
* EESchema: Remove left over sizer from last commit from library and path dialog.
* Add methods to read and write project file parameters using dynamically defined list.
* Remove all global variables defined in CVPcb code.
* Dynamically define project file settings so class member variables can be used.
* Separate reading and writing application settings from project file settings.
* Make application UI objects and dialogs respect system UI font.
* Remove non-standard widget colors from CVPcb dialogs.
* Changed CVPcb object link list implementation to use wxList.
* Changed project library and path dialog to make OK button save project file instead of confusing "Save Cfg" button.
* Eliminate some duplicate file wildcard and extension definitions.
* The usual code reformatting, commenting, and spelling fixes.
stambaughw