moving content of folder 7.x up to the repository root
reorganizing drupal sub repository: sparate folders per version 5.x, 6.x & 7.x
#392 CICHORIEAE display notes & #1483 references for distributions as footnotes
more footnotes
footnotes for taxon names in the synonymy page #392 and replacing "senu bubbles" #391
#1484 & #1483 : implement footnote framework into data portal & display multiple references for distributions as footnotes in portal