Better UI when building source code products.
New target that compiles the source code version.
New version of VMCode
Significant changes into Hephaestus

- initial support for FeatureIDE feature model format
- new transformations for source code
  (a) select all components
  (b) remove components
  (c) create property file
  (d) set property in file
- better user interface experience, supporting tab to select project.properties

Merge branch 'master' of https://github.com/hephaestus-pl/hephaestus-base

Conflicts:
	main/src/VMCode