Add javadocs zip to the Bio-Formats downloads page

- Create API documentation section similar to OMERO downloads page

Conflicts:
	bfgen.py
Fix typo
Change legacy to previous versions

Conflicts:
	flimfit_downloads.html
	omero_downloads.html
Merge pull request #93 from sbesson/rebased/dev_4_4/bioformats_package

Add new JAR to Bio-Formats downloads page (rebased onto dev_4_4)