add composer commands to travis config
add composer commands to travis config

lyrixx/monolog,aeryaguzov/monolog,vallejos/monolog,peterkokot/monolog,supre/monolog,webwlsong/monolog,stof/monolog,prgTW/monolog,tavrij/test,mbrevda/monolog,localheinz/monolog,yegortokmakov/monolog,0x46616c6b/monolog,JeroenDeDauw/monolog,Sgoettschkes/monolog,EmmanuelVella/monolog,staabm/monolog,oswaldderiemaecker/monolog,bd808/monolog,JCook21/monolog,entwu/monolog,brendo/monolog,esalter/monolog,dracony/monolog,deguif/monolog,cherrytech/monolog,gencer/monolog,thiagotalma/monolog,Seldaek/monolog,glensc/php-monolog,dailymotion/monolog,ehough/epilog,yaoshanliang/monolog,chinaweilu/monolog,pomaxa/monolog,nike-17/monolog,netgusto/monolog,rs/monolog,printerpam/monolog,Stype/monolog,KevinMGranger/monolog,dangnguyen27/monolog,rap2hpoutre/monolog