Rewrite README documentation
Rewrite README documentation

Reorganize and simplify the contents of the README, pending more
complete CLI and online documentation.

Provide a logical order to the README documentation, greater clarity
around Bower's key commands, and consolidate all the disparate
information about the manifest and configuration file.

pjump/bower,mattpugh/bower,grigorkh/bower,M4gn4tor/bower,DevVersion/bower,vladikoff/bower,Jinkwon/naver-bower-cli,supriyantomaftuh/bower,angeliaz/bower,perdona/bower,return02/bower,amilaonbitlab/bower,skinzer/bower,bower/bower,twalpole/bower,Teino1978-Corp/bower,yuhualingfeng/bower,msbit/bower,JFrogDev/bower-art,akaash-nigam/bower,ThiagoGarciaAlves/bower,unilynx/bower,sanyueyu/bower,hyperweb2/upt,Blackbaud-EricSlater/bower,buildsample/bower,gronke/bower,omurbilgili/bower,DrRataplan/bower,lukemelia/bower,Backbase/bower,kruppel/bower,xfstudio/bower,rlugojr/bower,insanehong/bower,TooHTooH/bower,jvkops/bower,yinhe007/bower,XCage15/bower,mex/bower,Jeremy017/bower,fernandomoraes/bower,kevinjdinicola/hg-bower,fewspider/bower,dreamauya/bower,Teino1978-Corp/Teino1978-Corp-bower,prometheansacrifice/bower,adriaanthomas/bower,haolee1990/bower,perdona/bower,pwang2/bower,rajzshkr/bower,jodytate/bower,perdona/bower,magnetech/bower,PimsJay01/bower,cgvarela/bower,thinkxl/bower,Connectlegendary/bower,krahman/bower,watilde/bower,gorcz/bower,jisaacks/bower,pertrai1/bower,kodypeterson/bower,wenyanw/bower,cnbin/bower,liorhson/bower,perdona/bower