fixes 101companies/101wiki#285
fixes 101companies/101wiki#287
restored check permissions
closes 101companies/101wiki#289
closes 101companies/101wiki#288
fixes 101companies/101wiki#281
fixed retrieve page for endpoint
closes 101companies/101wiki#229
added gem 'quiet assets'
fixed modal dialog position
check permissions for delete/rename/update
formatting
removed old part with check permissions
remove no more actual entry for gitignore
removed todo
comments
formatting
fixing renaming issue, closes 101companies/101wiki#282
comments
closes 101companies/101wiki#283, removing trailing spaces for links