Merge pull request #230 from kazoompa/feature-bootstrapification

Bootstrapified IndexConfiguration modal and fixed modal resizing glitch
Code clean.
OPAL-1894 Prepare work about taxonomies
Merge branch 'master' of https://github.com/obiba/opal
Bootstrapified Index schedule modal and added min width and height to Modal.
Merge pull request #231 from kazoompa/master

Bootstrapified Index schedule modal and added min width and height to Mo...
Bootstrapified UploadFile modal and fixed modal when resizing content; checked for negative height