wok log libev/receipt

age author description
2014-04-18 Christophe Lincoln ARM: add libev, xcb-util-wm
2013-11-09 Pascal Bellard Add some licenses
2011-05-20 Christopher Rogers Up: libev to 4.04.
2010-09-20 Christopher Rogers Up: libev, libev-dev to 3.9.
2009-04-22 Mallory MOLLO Add: libev