* Start of GettingStartedInC++ documentation.
* Changed GettingStartedInC++ from rst to markdown format. Added some more text.
* Added Working with Molecules to GettingStartedInC++
* Expanded on behaviour of Kekulize wrt clearing aromatic flags on atoms and bonds.
* Added section Modifying Molecules.
* More plodding progress.
* A load more documentation.
* Undid change to global CMakeLists.txt
* Minor editing of docs.
* Changed examples so they use RDBASE to find test data rather than relative
path.
* Fixed use of -std=c++ in CMakeLists.txt. Extra waffling about memory.
* Modifications to examples and documentation as requested.
* Couple of minor changes.
* Change to example11.cpp and associated text in docs.
