Xcessiv

Features
* Dockerfile added
* Startup script now raises explicit error for Windows OS.

Documentation
* Documentation updated for Dockerfile

Added features
* 13

Breaking Change
* Project folders created with Xcessiv<0.2.0 will not work on Xcessiv>=0.2.0. This is due to 13

* 12

* Brand new and more flexible way of defining cross-validation and meta-feature generation method

* Fix UI, when deleting parent component e.g. base learner origin, make sure children components are refreshed (base learners and stacked ensembles

* Major feature change: 11

* 9
* 10

* 8