Update textcomplete to v0.14.5
Update textcomplete to v0.14.5

Fixes textcomplete IE11 compatibility
Refs #661

thredded/thredded,jayroh/thredded,jayroh/thredded,thredded/thredded,jayroh/thredded,thredded/thredded,jayroh/thredded,thredded/thredded