[queso/examples/modal] adding new example, modal, which was originally available at 'svn.ices.utexas.edu/repos/pecos/uq/appls/modal/'. The current version uses the new QUESO API.
[queso/manual/modal] adding new example, modal. The section presents a short description of this example, which is the first one using MULTILEVEL method, as well as some figs.
[queso/examples/bimodal] Adding new example 'bimodal' to QUESO examples. This example uses the Multilevel algorithm to sample from a bimodal distribution and reproduces the example presented in Prudencio&Chegung 2012, Section 4.1 A 1D Problem.
[queso/manual]: Including a new section 'bimodal' at the userś manual, which presents an example of the Multilevel algorithm being used to sample from a bimodal distribution. This example replicates the 1D problem (section 4.1) of the Multilevel paper (Prudencio&Cheung 2012).
[queso/manual] correcting a path on users_5f_example_ml_bimodal.tex.
[queso/manual] adding another example that uses the multilevel method: hysteretic. This example replicates parts of 'A Hysteretic Model Class' (section 4.3) of the Multilevel paper (Prudencio&Cheung 2012).
[queso/examples/hysteretic] Adding new example 'hysteretic' to Queso examples. It partially reproduces the Section 4.3 'A Hysteretic Model Class' of the Multilevel paper (Prudencio&Cheung 2012).
Merge pull request #194 from kemelli/new_examples

Adding 2 examples to QUESO and to the user's manual - they use Multilevel method