Added simple test for matrix dimensions
Corrected var type in printf format statement
Iterated smoother will stop correctly if many realisations fail
Disabled run one more item
Added const qualifier in function: enkf_linalg_Covariance
The covariance matrix Cd is recalculated for every iteration; due to deactivating outliers the number of active observations can change between iterations
Added matrix size asserts before calling analysis
Trivial: Removed { } for one-line if statement
Merge pull request #199 from joakim-hove/iterated-smoother

Iterated smoother