Bump version to 2.7.6.rc1 until merge into master
Bump version to 2.7.6.rc1 until merge into master

tlunter/oboe-ruby,appneta/ruby-traceview,boyang-li/oboe-ruby,appneta/ruby-traceview,tlunter/oboe-ruby,boyang-li/oboe-ruby,tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview,tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview