Minor others changes.

* Created separate SVN version header.
* Add true config.h for platform dependency checks.
* Add dependency check cmake module.
* Remove some leftover hand crafted make files.
* Remove non-cmake build instructions from COMPILING.txt.
* Fix split _() strings causing Visual C++ compiler error.
* Fix lots of compiler warnings.
* Change project file parameter container from wxArray to boost::vector_ptr.
* Removed lots of redundant header definitions.
* Fixed green_xpm redefinition in ercgreen.xpm.
* Remove some dead code and unnecessary class methods.

Better label dialog editor. Libedit: now, cannot change the component name to an existing alias name (eeschema crashes when happens)

Code seriously cleaned, obscure and duplicated code removed, and some oddities removed.
Better support of multiline texts.

Code seriously cleaned, obscure and duplicated code removed, and some oddities removed.
Better support of multiline texts.

Code seriously cleaned, obscure and duplicated code removed, and some oddities removed.
Better support of multiline texts.

Code seriously cleaned, obscure and duplicated code removed, and some oddities removed.
Better support of multiline texts.

--no commit message

* 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.

code cleanup, remove multiline text option in eeschema (multiline text is a work in progress) and minor enhancements