SLING-6502 JSP: java.lang.VerifyError (Bad type on operand stack)
SLING-6502 JSP: java.lang.VerifyError (Bad type on operand stack)

revert r1786606 (tie package imports of JSP and EL API to version 2.1.0)

git-svn-id: 6eed74fe9a15c8da84b9a8d7f2960c0406113ece@1786631 13f79535-47bb-0310-9956-ffa450edef68

vladbailescu/sling,ieb/sling,vladbailescu/sling,trekawek/sling,ieb/sling,labertasch/sling,anchela/sling,trekawek/sling,trekawek/sling,cleliameneghin/sling,anchela/sling,ist-dresden/sling,labertasch/sling,ieb/sling,labertasch/sling,mcdan/sling,vladbailescu/sling,headwirecom/sling,awadheshv/sling,headwirecom/sling,tmaret/sling,tmaret/sling,ist-dresden/sling,JEBailey/sling,tmaret/sling,ist-dresden/sling,trekawek/sling,cleliameneghin/sling,awadheshv/sling,cleliameneghin/sling,JEBailey/sling,JEBailey/sling,headwirecom/sling,mcdan/sling,JEBailey/sling,ieb/sling,roele/sling,labertasch/sling,ieb/sling,awadheshv/sling,awadheshv/sling,trekawek/sling,cleliameneghin/sling,anchela/sling,labertasch/sling,trekawek/sling,ist-dresden/sling,roele/sling,tmaret/sling,ist-dresden/sling,roele/sling,anchela/sling,anchela/sling,mcdan/sling,vladbailescu/sling,mcdan/sling,JEBailey/sling,cleliameneghin/sling,roele/sling,roele/sling,headwirecom/sling,vladbailescu/sling,mcdan/sling,awadheshv/sling,awadheshv/sling,mcdan/sling,headwirecom/sling,ieb/sling,tmaret/sling