Add a clean task for libev.
Add a clean task for libev.

antek-drzewiecki/passenger,cgvarela/passenger,jawj/passenger,jawj/passenger,fabiokung/passenger-debian,phusion/passenger,gravitystorm/passenger,clemensg/passenger,cgvarela/passenger,erikogan/passenger,cgvarela/passenger,jawj/passenger,clemensg/passenger,cgvarela/passenger,clemensg/passenger,clemensg/passenger,pkmiec/passenger,erikogan/passenger,erikogan/passenger,fabiokung/passenger-debian,bf4/passenger,bf4/passenger,kewaunited/passenger,antek-drzewiecki/passenger,gravitystorm/passenger,erikogan/passenger,kewaunited/passenger,gravitystorm/passenger,jawj/passenger,phusion/passenger,cgvarela/passenger,pkmiec/passenger,clemensg/passenger,bf4/passenger,clemensg/passenger,bf4/passenger,openSUSE/passenger,phusion/passenger,kewaunited/passenger,antek-drzewiecki/passenger,pkmiec/passenger,gravitystorm/passenger,kewaunited/passenger,phusion/passenger,openSUSE/passenger,phusion/passenger,antek-drzewiecki/passenger,phusion/passenger,jawj/passenger,pkmiec/passenger,antek-drzewiecki/passenger,kewaunited/passenger,clemensg/passenger,bf4/passenger,cgvarela/passenger,fabiokung/passenger-debian,fabiokung/passenger-debian,antek-drzewiecki/passenger,phusion/passenger,jawj/passenger,gravitystorm/passenger,jawj/passenger,erikogan/passenger,kewaunited/passenger,fabiokung/passenger-debian,gravitystorm/passenger,phusion/passenger,openSUSE/passenger,cgvarela/passenger,openSUSE/passenger,pkmiec/passenger,kewaunited/passenger,bf4/passenger,antek-drzewiecki/passenger,cgvarela/passenger,fabiokung/passenger-debian,openSUSE/passenger,pkmiec/passenger,openSUSE/passenger,kewaunited/passenger,pkmiec/passenger,antek-drzewiecki/passenger,erikogan/passenger,bf4/passenger,clemensg/passenger