Landing box multi gene

[logmosier]

Landing box now handles multiple recognized genes.
Changes made:

• The formatting of the data for the landing box data is now handled mainly in the getLandingResult function instead of in render.
• handelShowMoreClick added in render to handle the cases in the landing box where the user clicks to reveal more information
• expandableText added in render to handle the function body and synonyms text in the landing box
• CSS changes

[jvwong]

Related to #520