Revert "1.0.0 alpha version assigned"

This reverts commit 1f9c74b12446e193a0565601a17931b2fcdd2aeb.
Fixed cast exceptionin constraint evaluation
added default values for optimization configuration
reduced the amount of info logging
removed even more logging
Merge branch 'master' into experimentalScaleIn

Conflicts:
	src/it/polimi/modaclouds/space4cloud/optimization/PartialEvaluationOptimizationEngine.java
Fixed format and imports
cleaned up
Fixed convergence issue in scaling in
added user manual