Make applicationName mandatory in LogstashFormatter
Make applicationName mandatory in LogstashFormatter

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