Adding multicut option

Affected files:
(1) SolveLRLP.m
(2) GatherLROData.m
(3) TestTwoStageGraphical.m
Wrote multicut implementation of LRLP for non-plotting functions

(1) Changed all referenes of lrlp.THETA to work with multiple different
sizes of Theta
(2) Fixed cost function in GetMasterc to use N_omega/N as probabilities
(3) Fixed constraint matrix to have correct dimension
(4) Fixed objective cuts matrix to include identity matrix for theta
variables
(5) Fixed objective cuts RHS to use different number of theta variables
(6) Now deletes a full set of cuts (i.e., one for each scenario) for the
multicut implementation, and one cut at a time for the single cut
implementation
Wrote PlotBoundFunction.m

Plots the lower-bounding function used by the decomposition algorithm.
Will eventually work to test the multicut formulation of the algorithm.
	new file:   @LRLP/PlotBoundFunction.m
Corrected Multicut plotting in PlotBoundFunction

Error: was plotting the lower bound using the full cuts and all but one
component of the latest cut.  Now completely ignores the most recent
cut.
Merge branch 'multicut'