Update Maven plugins

Update Maven plugins

to the following versions:
build-helper-maven-plugin 1.10
eclipse-jarsigner-plugin 1.1.3
findbugs-maven-plugin 3.0.3
jacoco-maven-plugin 0.7.6.201602180812
maven-clean-plugin 3.0.0
maven-compiler-plugin 3.5.1
maven-javadoc-plugin 2.10.3
maven-pmd-plugin 3.6
maven-project-info-reports-plugin 2.9
maven-resources-plugin 2.7
maven-shade-plugin 2.4.3
maven-site-plugin 3.5.1
maven-source-plugin 3.0.0
maven-surefire-plugin 2.19.1
maven-surefire-report-plugin 2.19.1
tycho 0.25
tycho-extras 0.25
wagon-ssh 2.10

Change-Id: I4dc57de77ab7838964e8fe3de1d50f28d67fcf4b
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>