add how to support us section.
add how to support us section.

JohnLZeller/jenkinsapi,mistermocha/jenkinsapi,aerickson/jenkinsapi,imsardine/jenkinsapi,salimfadhley/jenkinsapi,aerickson/jenkinsapi,domenkozar/jenkinsapi,zaro0508/jenkinsapi,jduan/jenkinsapi,JohnLZeller/jenkinsapi,JohnLZeller/jenkinsapi,zaro0508/jenkinsapi,salimfadhley/jenkinsapi,mistermocha/jenkinsapi,zaro0508/jenkinsapi,domenkozar/jenkinsapi,imsardine/jenkinsapi,mistermocha/jenkinsapi,imsardine/jenkinsapi,jduan/jenkinsapi