fixed: wrong end tag
no Contexts created yet -> show section-context-add
added headline in section-context-add
pretend -> true: mails are sent out
no Stackr created yet -> show section-stackr-add
renamed div element id for comments: comment-add-xy -> section-comment-add-xy
added headline for add stackr section
no Comment created yet -> show section-comment-add
cleanup css classes for inputs and textfields
applied new css classes and added placeholder
no description given -> take placeholder as default value
add new Context or Stackr -> focus textfield and select text to be ready to be overwritten
added placeholder for Comment textarea
applied new textfield css classes to tag textfield
renamed css class: tags_textfield_inactive -> textfield-tags-inactive
Merge branch 'feature-new-stackr'
optimized paddings and margins for stackr comments list
fixed: reset given tags when textfield is empty
javascript snippet to show section comment add -> moved to after inserting comments
fixed: onEscape event when editing a comment -> invoke mouseout (workaround)