Gstlearn

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- New import / export procedures for vectors in Python and R:
- handle NA values (no more need of TEST and ITEST in your scripts)
- accept 1 element (in Python and R) when a function wait for a vector (issue 7)
- build numpy.array or R vectors (issue 5)
- New class: ProjConvolution
- Fix collocated co-kriging
- No more unnecessary dependencies (issue 53)

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- Fix windows compilation
- Source cleanup (License and Interface folders removed)
- CMake procedure improvement

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- New calculators for all top level functions
- New demo scripts (kd, kriging, etc...)

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- Fractures network
- Eden simulation (flow propagation)
- Advective covariances

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- New R package (r_install target)
- Non-regression R tests (check_r target) (not yet launched with check target)
- No more log redirection needed for python non-regression tests (check_py)
- No more 'd' suffix for Debug library (python and R tests are now available through debug)

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- Prevent from building Python / R according windows compiler (MinGw/Visual)
- Boolean model
- Fix anamorphosis