New patches submitted from eg123 for the automatization of the configuration process. Use of pkg-config to find dolfin and eigen3 includes and libs * src/Makefile.in: make variables (CPPFLAGS, LDFLAGS, LIBS) are defined substituting the Autoconf ones * src/configure.ac: dolfin and eigen3 compile and link flags are looked for through pkg-config macros * DESCRIPTION: added pkg-config as a build-dependency configure fails if dependencies are not met.

Summary of important user-visible changes for fem-fenics 0.0.1:
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 ** 0.0.1 is a version compliant with FEniCS 1.3.0

Summary of important user-visible changes for fem-fenics 0.0.0:
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 ** 0.0.0 is a pkg for the resolution of pde