Projects: Add Vole_xc3.xcodeproj and Vole_xc5.xcodeproj.  These
are project files for specific versions of xcode, as it does not seem
to be easy to keep them combined in one project file.
Add the specific versions of the project files to the Makefile.
Merge from 8823336e
Add Vole.h to the projects.
revert the Vole.xcodeproj
add Vole.h to the projects.
add Vole.h to the projects.
Project for Xcode 5, build for i386 and X86_64
Merge Xcode 5 build for universal
Makefile: add x86_64 to mavericks ARCHS
SQLITE3: upgrade to version 3.8.1
SQLite3: update to 3.8.1