Improve dialog layout and fix UI policy issues with all of the dialog
boxes in the common, 3D viewer, CvPcb, and Eeschema code paths.
Updated the use of component to symbol.
File "rules" has instructional text as comments near top.
2) Convert all text files in repo to LF line ending form.
Any checkout done with "rules" in play will convert the working
tree to native line ending, while keeping repo as LF line ending.
* 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.
* All: remove all remaining occurrences of g_DialogFont and dialog font menu handers.
* All: remove all remaining non-standard fonts and button text colors from common dialogs.
* PCBNew: remove all non-standard fonts and button text colors from dialogs.
* PCBNew: update project library and path dialog to match changes to CVPCB version.
* EESchema: update project library and path dialog to match changes to CVPCB version.
* EESchema: save vertical/horizontal line direction setting between sessions.
Small change in doc files: footprint_doc moved from help to share/modules
TODO: change dialog_cvpcb_config and copy code (from pcbnew) for multiple user paths in library path list in cvpcb.