Windows support (+ minor refactoring)

Addresses multiple problems when running on Windows and w/o Gurobi Fixes #8 and #2 (closed)

config/pipeline.properties

+## Flags for whether to use different annotators
+usePos = true
+useLemma = true
+useShallowParse = true
+useNerConll = true
+useNerOntonotes = false
+useStanfordParse = true
+useStanfordDep = true
+useSrlVerb = false
+useSrlNom = false
+
+## Flags for the Stanford parser (for pre-processing)
+# Max time per sentence (in milliseconds)
+stanfordMaxTimePerSentence = 1000
+
+# Max sentence lenght (will throw exception if larger)
+stanfordParseMaxSentenceLength = 80
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