Upload each submission to a different dir
Add -d parameter to ascp cmd; thanks @wasade!
BUG: ebi_dir -> self.ebi_dir
Add has_access methods and tests
Check access to template, not study

Fixes #542
Remove has_access methods, add study_id properties
Do study access check in handler
Add tests for study_id properties
Merge pull request #553 from adamrp/ebi_ascp_dir

Upload each submission to a different dir
Merge pull request #558 from adamrp/metadata_template_has_access-issue-542

Check access to metadata template rather than study on Metadata Summary
Adds study_id to run_alias

EBI apparently does not allow the same run alias even for different experiments
Merge pull request #561 from adamrp/ebi_run_names

Adds study_id to run_alias
Use relative path instead of absolute
adding investigation type to PrepTemplate.create and the investigation setter
Merge pull request #562 from adamrp/ebi_path_fix

Use relative path instead of absolute
pull upstream master
adding ebi changes and investigation type changes