Added new option study-type to OpenCGAMain
New converters from/to DBObject for samples in a file, depending on these being stored in compressed or decompressed way. 2 classes have been created, but only one may be necessary because during queries, variants of both compression modes could be retrieved
Samples compressed (or not) storage will be handled from the sample class DBObjectToSamplesConverter
Samples storage not-compressed mode
Samples compression depending on study type connected with the main application flow
Added ASM package to pom.xml
Merge remote-tracking branch 'origin/feature/study-type' into develop
Added new WS to VariantWSServer
Cleaning aes encryption