Remove game reskin from development branch

game-reskins branch was created to include for
any game reskin examples, such as the Zen Tag variations
for the British Library.
DOCUMENTATION - clarify install process, fix typo

Clarify that nodejs/ folder is referring to one in mg-game/.
Thanks to Kaya Thomas (https://github.com/kmt901) for reporting this!
Add "wikipedia" box
Finishing up Wikipedia tab
Reproduce Wikipedia tag in Ships and Portrait tag
Merge branch 'modality-british_library' into game-reskins

Include wikipedia tab feature. Can now look up info in wikipedia
while playing Zen Tag and earn major points!
Increased the size of the export file name, institution url website and token
revert change to main.php

accidentally committed test settings, so revert these.
Replace 'build' with 'app'.
Changed the size of the url and aracade image text boxes. renamed the fbvsettings file to default
Admin-Institution - widen Name text field

This will take care of long institution names.
Change "build" to "app" in configure doc.

Replace instances of "build" in the text with the word "app."
Merge branch 'development' of https://github.com/thelonelego/mg-game into thelonelego-development
DOCUMENTATION - fix several typos
DOCUMENTATION - rename install, config doc files

Rename files to reflect labeling switch
(replace "build" with "app")
DOCUMENTATION - fix README links
adding documentation for installing game app on OSX
changed "build" to "app" in three files.
undoing the "build" to "app" change in library file.
fix to README.md merge