[maven-release-plugin] prepare for next development iteration
compile with java8 too
set compile target 1.6 which is minimum for spring 4
upgrade slf4j
upgrade commons-lang
upgrade logback
upgrade spring framework
rename README to markdown format and add travis build status link
upgade spring
upgrade commons lang
upgrade aspectj
upgrade slf4j
upgrade logback
upgrade sonatype oss parent pom
[maven-release-plugin] prepare release commons-transaction-spring-1.2