Revert "update grit"

This reverts commit 134dac6083abd6ac52ddbc132289c014eb02e14d.
again update grit
try to catch a MentosError error
show blob images in the commit
update rescue from the product log highlight
Merge pull request #437 from abf/rosa-build:try_catch_mentos_error
 Add rescue from Pygments.rb errors
fix mistype
fix undefined method 'html_safe' for nil:NilClass
add rescue from Yajl::ParseError
add additional check for the undefined method 'html_safe' for nil:NilClass
remove wrong line
fix UrlGenerationError: No route matches
Merge branch 'master' into 435-activity-statistics