Fix RSM & Manage memory (#22)

* update base RSM generator

* Better handling of memory buffer in core resampling

* clean-up

* log memory usage and dynamically allocate memory buffer during orthorectification

* log memory usage and dynamically allocate memory buffer during orthorectification

* log memory usage and dynamically allocate memory buffer during resampling

* log_available_memory

* clean-up

* update RSM generation to support extrapolation

* update RSM ingestion

* improve memory management with cRasterInfo

* update tests

* Fix sinc resampling order

* [tmp] plot debug tiles

* [tmp] plot debug tiles

* debug

* Fix resampling tile bug

* Memory usage arg

* Fix bug in resampling tiles

* clean-up

* add overviews

* rm overviews

* Interpol refactoring

* V 2.5.1

* V 2.5.0

* V 2.5.0- Note release

Author: SaifAati