Tested and fixed how permissions are checked for static placeholder.
Targeting just the first h2 under #content, rather than all, this will prevent the headers of the django-form-designer inline from being hidden
Fixed indentation
Add tests for #3142
Fix #3142
Code cleanups
refactored post template populate function
only if no page is present check for placeholders
introduced new get form class function
refactored & optimized page toolbar code
Merge branch 'tempoiq' into develop
removed unused import
refactored placeholder & basic toolbar code, init placeholders post template
use django urlencode and let it handle the compatibility problems
api.create_page abides by site #3266
added get inline classes function & improved readability
Add comments in the modified code section
made add url parameters a utility function
use add_url_parameters utility function
check for existing title language in on delete redirect, fix for #3270