Adjusted tables to support SUBJ_ID's of 30 chars (FT-743)

OpenClinica has subject names of 30 character max. To support the automatic
upload of data from OpenClinica we have to meet this.
From i2b2 I had to adapt patient_dimension.sourcesystem_cd <study:visit:subject>
Change de_gpl_info.release_nbr to character varying (FT-749 + FT-751)
Merge pull request #7 from thehyve/extend-SUBJ_ID-size

Adjusted tables to support SUBJ_ID's of 30 chars (FT-743)
Config file for london_hackaton
mRNA upload via transmart-data made the study node lose the c_comment value, when using NODE_NAME in expression.params.
Fix type detection of dumped db entity
Fix NoClassDefFoundError: oracle.xdb.XMLType

Add xdb.jar to classpath
rc2 db dump
Improve oracle tsv loader

- Add support to insert date field
- Fix passing data from standard input
Add tool to dump data from db tables to tsv file
Refactor make scripts for dump/load ref. data

- Move some resources to common folder
- Create data/oracle folder
Oracle data upload tool fixes and improvements

- Manipulate date format with oracle NS variables
- Resolve name conflict between materialized view
  and corresponding table
- Add 'WITH GRANT OPTION'
Remove warning
tsv: Write null values as empty string
Fix table vs. mv name colision
Change method signature
Merge pull request #9 from thehyve/genome-release-number

Change de_gpl_info.release_nbr to character varying (FT-749 + FT-751)
Fix php warning: reserve position in array
Upload data makefiles refactoring
Update readme