Add Maven Mojo to perform offline instrumentation
Update documentation
Rename goal 'restore' into 'restore-instrumented-classes'
Merge branch 'master' into issue-64

Conflicts:
	org.jacoco.doc/docroot/doc/changes.html
Resolve warnings in workspace
Fix spelling
Add comment about jacocoagent.jar
Add warning about offline instrumentation
Move warning into documentation
Fix Javadoc
Plugin should not fail when classes not presented
Merge pull request #64 from jacoco/issue-64

Add Maven Mojos to perform offline instrumentation