- Added the following packages: oracle, mysql, odbc, gviz, fftw, pythia6,
  pythia8, unuran, table
- Changed the default values for the build options depending on platform
  such that they display correctly with cmake-gui or ccmake
- Fixed mathmore build on Windows
- Make histfactory depending on xml option


git-svn-id: http://root.cern.ch/svn/root/trunk@39577 27541ba8-7e3a-0410-8455-c3a389f83636

Introduce alternative cmake based build system. Cmake is especially convenient
for building on Windows, as it can produce VC projects or nmake files and 
does not require cygwin to be installed. In addition on OSX Xcode projects
can be generated.


git-svn-id: http://root.cern.ch/svn/root/trunk@39463 27541ba8-7e3a-0410-8455-c3a389f83636