:monbase writing fixed, advances in querymakers
:study into mongo
Merge branch 'develop' of https://github.com/opencb/opencga into develop

Conflicts:
	opencga-storage/pom.xml
	opencga-storage/src/main/java/org/opencb/opencga/storage/variant/VariantQueryMaker.java
	opencga-storage/src/main/java/org/opencb/opencga/storage/variant/VariantSqliteQueryMaker.java
	opencga-storage/src/main/java/org/opencb/opencga/storage/variant/VariantVcfMonbaseDataWriter.java
	opencga-storage/src/main/java/org/opencb/opencga/storage/variant/VariantVcfSqliteWriter.java
monbasedw: inserting studies and variants into mongo
:First monbase search trials
:mongo insert updated:
Web service for retrieving histogram of features_count in BamManager extracted to its own method in AlignmentQueryBuilder
Querying all alignments in a region
Simplified API of AlignmentQueryBuilder
Querying alignments coverage by region
Coding style issues in TabixAlignmentQueryBuilder
TabixAlignmentQueryBuilder returns several information about an alignment region: alignments, coverage, both at the same time, and histograms
CloudSessionManager.region method renamed to fetchData and split by file format
:Querys by region, HBase and MongoDB
Public read-only access to resources in folders specified in storage.properties configuration file
Public fetch: Checking permissions on bucket and file format
Check whether the file specified is not inside the bucket folder
QueryResponse object returned wrapping QueryResult objects
Compilation issues fixed
Merge from main OpenCGA develop branch -> merge-jesus