chore(mvn): Release of version 0.26.0
chore(mvn): Upgraded version number to 0.26.1-SNAPSHOT
Update CONTRIBUTING.adoc mvn install -> mvn verify
fix(mvn): Update Eclipse Color Theme version
feat(classpath): Download sources jar for dependencies
doc(classpath-container): explanation of (take 2 dep)
fix(lein): don't activate lein handlers in wrong places

Fix Issue 642
Merge branch 'master' into paredit-papercuts