[NEXUS-6688] Add more robust url validation (based on https://github.com/chriso/validator.js)
[NEXUS-3235] Only allow http and https protocols, not ftp
fix sp
Merge pull request #638 from sonatype/url-validation

REVIEW: [NEXUS-6688] Add more robust url validation
Remove nexus-crypto-plugin (registration of BC provider is automatic with OSGi)
Cleanup capture of test-logs and clear Karaf data/cache on shutdown to avoid filesystem bloat running modern ITs
NX-485: replace legacy plugin-repository with Karaf system repository
Pax-Logging 1.7.3 has been released
Update siesta to 2.0.1
Update HTH to 0.9
Update sisu-mailer to 1.9
Merge remote-tracking branch 'origin/master' into NEXUS-6323-replace-plexus-cipher

Conflicts:
	components/nexus-core/src/main/java/org/sonatype/nexus/internal/crypto/BCPluginEventHandler.java
	components/nexus-crypto/pom.xml