Added new helper module for timelines.
This helps to determine wether a given event or period has begun/isactive/ended.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
tinyMCE.addI18n('en.paste_dlg',{
text_title:"Use CTRL+V on your keyboard to paste the text into the window.",
text_linebreaks:"Keep linebreaks",
word_title:"Use CTRL+V on your keyboard to paste the text into the window."
});