feature/file storage (#314)
feature/file storage (#314)

* changes for E-LIS normalizer

* added language catch to only catch first language in list.

* erased unneeded normalizer from code

* fixed empty language problem

* updated gitignore

* migrations to the elis frame

* fix

* common with develop

CenterForOpenScience/SHARE,laurenbarker/SHARE,zamattiac/SHARE,CenterForOpenScience/SHARE,aaxelb/SHARE,zamattiac/SHARE,CenterForOpenScience/SHARE,aaxelb/SHARE,zamattiac/SHARE,laurenbarker/SHARE,aaxelb/SHARE,laurenbarker/SHARE