(bug 48145) Introducing listrotator widget to set time precision

The new listrotator jQuery widget is used to set the time value's precision.
Apart from that, the input extender widget is enhanced to better comply with
the additional content.

Change-Id: Iaca1465915ce874bfb864e48dfaaa309a599202b
Merge "(bug 48145) Introducing listrotator widget to set time precision"