merged branch gregholland/master (PR #452)
merged branch gregholland/master (PR #452)

This PR was submitted for the master branch but it was merged into the 2.1 branch instead (closes #452).

Commits
-------

1a4a470 Add a note to the 2.0 -> 2.1 upgrade guide about completing all steps before running composer install

Discussion
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Add note to the 2.1 upgrade doc

When upgrading from 2.0 -> 2.1, composer.phar will fail with a runtime exception when attempting to generate the autoload bootstrap file if the install is attempted before updating the existing files as per the guide (config.yml, app.php etc).

shadowtje1990/symfony_todo_api,vincentaubert/symfony-standard,tdd-php/football,rajkamalganeshvivid/symfony-standard,phiamo/symfony-bootstrap,aprezcuba24/symfony-standard,den2134/itdTest,dunglas/symfony-standard,makasim/LiipImagineBundleSandbox,joferzs/firewall,javiereguiluz/symfony-standard,ucay/Skeleton,Soullivaneuh/symfony-standard,jakzal/symfony-standard,MatthieuCutin/ligue-squash,debruyne0/symfony,Baachi/symfony-standard,den2134/itdTest,ucay/Skeleton,phiamo/symfony-bootstrap,tdd-php/literatura,mweimerskirch/symfony-standard,kmelia/fresh-symfony,orodsem/trout,beyondkeysystem/psc-symfony-angularjs,twisted-socket/stage-plots,tdd-php/angaze,GulDmitry/music-diff,vincentchalamon/phpunit-bridge,taylankasap/symfony-standard,Knouki/Jobeet-Symfony,AlexeyKupershtokh/symfony-standard,cordoval/symfony-bootstrap,symfony-cmf/standard-edition,simonjcarr/symfony_rest,sandello-alkr/symfony,black-project/black-standard,mweimerskirch/symfony-standard,apnet/symfony-standard-edition,wachterjohannes/sulu-standard,the-software-factory/superhero-api,Chill-project/Standard,unewochialat/symfony-standard,ovelasquez/ussi,rajkamalganeshvivid/symfony-standard,cordoval/symfony-bootstrap,yhoiseth/notelite.net,fduch/symfony-standard-workflow,bocharsky-bw/symfony-standard,kosintwong/symfony_test,dantleech/symfony-doctrine-phpcr-edition,mattvaadi/hris,tdd-php/angaze,javiereguiluz/symfony-standard,wachterjohannes/sulu-standard,symfony2-od-podstaw/26-01-sf21,WolfMicrosystems/symfony-wms,Metabor/Start-App,mattvaadi/hris,debruyne0/symfony,gnugat/symfony-empty,Ocramius/symfony-standard,cordoval/symfony-gae,symfony-cmf/standard-edition,trsteel88/symfony-standard,webmozart/symfony-standard,SymfonyId/api-platform,tarasinio/weather-remainder.com,tristanbes/symfony-standard,the-software-factory/superhero-api,mukulu/hris,GulDmitry/music-diff,joferzs/firewall,HasClass0/standard-edition,twisted-socket/stage-plots,uttam-vi/pardawala,fahadonline/sulu,tdd-php/angaze,chebetos/SymfonyTest,cordoval/demo-symfony2-argentina,tPl0ch/symfony-phpqatools,csarrazi/AppKernelGenerator,xiaobudongzhang/symfony-standard,ctrl-f5/symfony-standard,ybutb/videotask,ovelasquez/ussi,sulu-io/sulu-standard,pjcdawkins/tmp-symfony-demo,continuousphp/symfony-skeleton,tarasinio/weather-remainder.com,Spea/symfony-standard,NoUseFreak/StandardEdition,continuousphp/symfony-skeleton,yhoiseth/notelite.net,zanderbaldwin/symfony-layers,tristanbes/symfony-standard,tdd-php/angaze,uttam-vi/pardawala,trsteel88/symfony-standard,UxorialRook/symfony-standard,outlandishideas/symfony-standard,tiagobrito/ds1.sfdaypt14,phiamo/symfony-bootstrap,yelmontaser/symfony-standard,proteichik/testApp,fabpot/symfony-standard,egeloen/symfony-standard,Clastic/StandardEdition,proteichik/testApp,glavweb/symfony-standard,vincentaubert/symfony-standard,dkarvounaris/symfony-standard,ucsf-ckm/symfony-emberjs-edition,unewochialat/symfony-standard,stof/symfony-standard,phospr/symfony-starter,GulDmitry/music-diff,FLM/uberstrap,phiamo/symfony-bootstrap,mayeco/symfony-standard-pagodabox,b00giZm/symfony-boilerplate-app,gimler/symfony-rest-edition,by-examples/symfony-standard,mukulu/hris,tdd-php/football,symfony/symfony-standard,propelorm/symfony-propel-edition,Baachi/symfony-standard,papaavola/symfony-standard,Cartesia/01,wachterjohannes/sulu-standard,damienalexandre/symfony-standard,continuousphp/symfony-skeleton,alihalabyah/symfony-rest-edition,propelorm/symfony-propel-edition,bshaffer/symfony-standard,Soullivaneuh/symfony-standard,underq/symfony-rest-edition-experiment,elcodi/symfonycon-demo,aerrasti/iemedebe,Tobion/symfony-standard,cordoval/spike-edition,tomat/symfony-standard,NoUseFreak/StandardEdition,chebetos/SymfonyTest,havvg/symfony-standard-propel,tarasinio/weather-remainder.com,symfony/symfony-standard,Cartesia/01,symfony2-od-podstaw/knp-menu-example,gnugat-legacy/symfony-empty,apnet/symfony-standard-edition,fduch/symfony-standard-workflow,egeloen/symfony-standard,glavweb/symfony-standard,jbdelhommeau/symfony-standard,xabbuh/symfony-standard,theodo/theodo-kata,Spea/symfony-standard,achrafYne/restaurants-guide,markitosgv/DevOps,havvg/symfony-propel-edition,platformsh/platformsh-example-symfony,ovelasquez/ussi,orodsem/trout,cordoval/symfony-gae,IgorTimoshenko/symfony-standard-requirejs,gencer/symfony-standard,theodo/theodo-kata,lyrixx/symfony-standard,myroshnychenko/SymfonyCMF,baukaman/NeedYou,aerrasti/iemedebe,chebetos/SymfonyTest,sulu-io/sulu-standard,phospr/symfony-starter,sulu-io/sulu-standard,fahadonline/sulu,UxorialRook/symfony-standard,AlexeyKupershtokh/symfony-standard,pocit/ExpoApiBundle,lyrixx/symfony-standard,uttam-vi/pardawala,OskarStark/symfony-standard,jakzal/symfony-standard,locastic/psc-symfony-angularjs,pjcdawkins/tmp-symfony-demo,MatthieuCutin/ligue-squash,hrisproject/hris,continuousphp/symfony-skeleton,joferzs/firewall,papaavola/symfony-standard,tarasinio/weather-remainder.com,lanthaler/sfHydraDemoApp,SymfonyId/Skeleton,mukulu/hris,Tobion/symfony-standard,bamarni/symfony-docker,jbdelhommeau/symfony-standard,dunglas/symfony-standard,formapro-forks/api-basic,bionic-university/alexander-pobereznichenko,beyondkeysystem/psc-symfony-angularjs,0mars/symfony-standard-issue-13291,Rvanlaak/symfony-standard,Cartesia/01,lmaslowski/sf2,spolischook/standard-edition,SymfonyId/Skeleton,hrisproject/hris,HasClass0/standard-edition,ucsf-ckm/symfony-emberjs-edition,baukaman/NeedYou,drufony/drufony,fahadonline/sulu,stof/symfony-standard,alihalabyah/symfony-rest-edition,bocharsky-bw/symfony-standard,hrisproject/hris,shadowtje1990/symfony_todo_api,kmelia/fresh-symfony,shamcode/symfony-testing,black-project/black-standard,adrienbrault/symfony-silex-edition,zanderbaldwin/symfony-layers,fabpot/symfony-standard,phiamo/symfony-bootstrap,mukulu/hris,ybutb/videotask,liip-forks/symfony-standard,mnapoli/symfony-standard,bshaffer/symfony-standard,simonjcarr/symfony_rest,InkApplications/barenaked-symfony,chebetos/SymfonyTest,ewgRa/symfony-standard,havvg/symfony-propel-edition,RuntyCybin/symfony-standard,bamarni/symfony-docker,ucay/Skeleton,RuntyCybin/symfony-standard,kucherevskyA/kucherevskiy-test-task,formapro-forks/api-basic,we-bridge/symfony-admin,skafandri/blog,spolischook/standard-edition,umpirsky/symfony-standard,ewgRa/symfony-standard,phiamo/symfony-bootstrap,Chill-project/Standard,platformsh/platformsh-example-symfony,checat/symfony-minimal,Koc/symfony-standard,cordoval/symfony-gae,hrisproject/hris,mattvaadi/hris,GulDmitry/music-diff,havvg/symfony-standard-propel,hrisproject/hris,shamcode/symfony-testing,WolfMicrosystems/symfony-wms,mkrauser/symfony-dump-demo,ctrl-f5/symfony-standard,NoUseFreak/StandardEdition,fahadonline/sulu,skafandri/blog,orodsem/trout,IgorTimoshenko/symfony-standard-requirejs,OskarStark/symfony-standard,apnet/symfony-standard-edition,taylankasap/symfony-standard,cordoval/symfony-bootstrap,lyrixx/symfony-rest-edition,1ed/symfony-standard,gencer/symfony-standard,liip-forks/symfony-standard,gimler/symfony-rest-edition,chrisciampoli/cleats,mattvaadi/hris,tdd-php/literatura,cordoval/symfony-bootstrap,umpirsky/symfony-standard,xiaobudongzhang/symfony-standard,irro/MastoAlliance,Clastic/StandardEdition,HumanBooster/Symfony,kmelia/fresh-symfony,b00giZm/symfony-boilerplate-app,vincentchalamon/phpunit-bridge,b00giZm/symfony-boilerplate-app,irro/MastoAlliance,peterkokot/symfony-standard,Clastic/StandardEdition,yelmontaser/symfony-standard,tiagobrito/ds1.sfdaypt14,dkarvounaris/symfony-standard