add to JMLLCLI support of dynamic grid models; part of dynamic grid models to CharSequence converters;
Merge remote-tracking branch 'origin/master'

Conflicts:
	ml/src/main/java/com/spbsu/ml/JMLLCLI.java
	ml/src/main/java/com/spbsu/ml/io/ModelsSerializationRepository.java
dynamic grid models to JMLLCLI merge