Add simple tests for fortran subroutines
add matrix_repository.f90 to SOURCES in makefile
Modify Getting Started in fortran.rst
Complete Getting Started part of fortran.rst
Modify Utilities part in fortran.rst
Add installation page for documentation
Change from :math:`-1` to -1 in fortran.rst
Change the title of install.rst
only make the generic interface public
Add commit for cauchy matrix
Minor modification of the comment lines for cauchy matrix
Change the comment for clement matrix.
Modify the comment line of chebspec matrix
Modify the comment line for hilbert matrix
Modify the comment lines of Chow matrix
Merge pull request #6 from weijianzhang/master

Documentation on how to use matrix-repository in Fortran.