Changed Jenkins URL to download LTS version
Changed Jenkins URL to download LTS version

Bleeding edge version may not be stable.
mistermocha/jenkinsapi,JohnLZeller/jenkinsapi,aerickson/jenkinsapi,imsardine/jenkinsapi,domenkozar/jenkinsapi,mistermocha/jenkinsapi,imsardine/jenkinsapi,salimfadhley/jenkinsapi,JohnLZeller/jenkinsapi,zaro0508/jenkinsapi,mistermocha/jenkinsapi,jduan/jenkinsapi,jduan/jenkinsapi,domenkozar/jenkinsapi,imsardine/jenkinsapi,zaro0508/jenkinsapi,JohnLZeller/jenkinsapi,aerickson/jenkinsapi,salimfadhley/jenkinsapi,zaro0508/jenkinsapi