Removing public-first corpus and lingllama's corpus from the list of corpora browsable in the psycholing dashboard

for https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/219
fixes https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/220 title wasnt showing
unable to include html in the locale strings for now for https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/220
g
fixed warning on the iframes
reduced logging
found a bug in the delete datalist actvity creation
adding iframe fix for local and dev apps
adding iframe fix for local and dev apps
console warning if the session view cant render:
jshint
adding scope to calling parse
remoing sessions from corpus mask fixes #1714

the session and sessions were not being used in corpus mask so removing the loading seems to have fixed the undefined problem
removed other things that werent used
upping to version 2.29.0
Merge pull request #1715 from cesine/master

Backbone release v2.29