Update gitignore.
Update gitignore.

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