add osgi manifest headers via maven-bundle-plugin
add osgi manifest headers via maven-bundle-plugin

fgaule/metrics-spring,wyzssw/metrics-spring,segeon/metrics-spring,jxqlovejava/metrics-spring,ryantenney/metrics-spring,jongyoul/metrics-spring,karl82/metrics-spring,davidkarlsen/metrics-spring,alex859/metrics-spring