Allow for new lines in hot spot text (fixes #307).
Allow for new lines in hot spot text (fixes #307).

psteph801/psteph801.github.io,psteph801/psteph801.github.io,psteph801/psteph801.github.io,psteph801/psteph801.github.io,mpetroff/pannellum,mpetroff/pannellum,mpetroff/pannellum,mpetroff/pannellum