Added OO Fortran example
Member variables are now private, added getters and setters; show method now indents by level in tree; added constructor-like procedure
Added tree random initialization; node count function
Added function to compute maximum distance from root to a leaf
Cleaned up main program code; added module for rnadom seeding
Put random seed module into its own file for reuse
Added program to compute averages over multiple trees
Added finalizer to avoid memory leaks; made code compatible with  Intel compilers
Added README
Merge pull request #23 from gjbex/feature/tree

Feature/tree