[v0.47.1-release/manual] User's manual for QUESO v0.47.1. It fixes how to obtain QUESO, and provides documented examples.
[v0.47.1-release/examples]: adding simpleStatisticalForwardProblem and cleaning up the other examples.
[queso/v0.47.1]: updating Makefiles so the simpleStatisticalForwardProblem is built and it is also included in distributions; and so the old examples statisticalForwardProblem and statisticalInverseProblem are no longer included in the distributions (some bugs must be fixed). Including matlab file for ploting figures of the simpleStatisticalInverseProblem.
queso/v0.47.1] make distcheck passes. Ready to merge.
Remove unnecessary makefile
Bump version to 0.47.1
Merge branch 'v0.47.1-release' into dev

Conflicts:
	configure.ac
	examples/Makefile.am
	examples/gravity/src/gravity_likelihood.C
	examples/validationCycle/src/exTgaValidationCycle_appl.h