Two ways:
1 - When MOVE edition is selected, the you'll have a ROTATE option down the popup menu (together with SIDEWAYS and UPSIDE_DOWN options)
2 - When MOVING the already selected layou do a mouse right click and it will rotate your layout 90degrees counter-clockwise with each click.
select the particular shape or layout then press Q button.. The properties window will pop-up & there u can able to choose R0, R90, R180 .. etc.. These are all rotations & choose the particular rotation that u want..