Interface for Feature-Model Information created
Functions added zo ContractCompositionMeta
cumulativeContracting, consecutive Contracting, conjunctive Contracting
and Contract overriding for MetaProduct
startet with new Version of explicit Contracting
Interface for getting Feature Model-Informations extended
add Method setFeatureModel to FSTGenComposerExtension
Implemented optimized Metaproduct-Generation for explicit Contracting
fixed Bugs in Metaproduct-Generation vor Cumulative, consecutiv and
conjunctive Contracting
fixed Bug in \original-Replacement (if clause contains more than once
\forall, \equals, ... the clause was splittet at ";"

introduced Metaproduct-generation for method based contracting

created Fallback if no featuremodel is given
renamed methods in FeatureModelInfo-Interface and implenting classes
added some Javadoc for private methods
removed code in comments
inserted changes from review with Jens
translated Comments to english
fixed build-error
Merge pull request #13 from praast/master

Extension of Metaproduct generation