Eclipse EGit: Git Integration for Eclipse 4.6.1

Bug Fixes

• Fetch from Gerrit: checkout branch after resolving checkout conflicts
• Avoid NPE on conflict during gerrit checkout
• Do not dereference Path.getFileName() without null check
• Ensure backwards-compatibility with Eclipse Mars
• Add missing dependency to org.slf4j to org.eclipse.egit.ui
• Add org.eclipse.jgit.junit feature to test classpath of ui tests

Build and Release Engineering

• Update EGit 4.7 target platform to jetty 9.4.1
• Update build to use Tycho 1.0.0
• Update Orbit to S20170120205402 and com.jcraft.jsch to 0.1.54