Merge pull request #1035 from dennishendriksen/master

Update spring, spring security and mysql connector libs
Added molgenis-data-csv documentation
Merge pull request #1038 from erwinwinder/master

Added molgenis-data-csv documentation
removed cellprocessor
fixed the Integer conversion for Double values
Merge pull request #1039 from RoanKanninga/master

removed cellprocessor + fix conversion for Double values
fix #1043 : Indexer indexes protocols/categories with DataSet id instead of Protocol id