* stable-2.15:
AsyncReceiveCommits#onPreReceive: Early exit when commands already processed
Replace download links for releases index page
concept-changes: Fix 'invalid reference: topic' warning
concept-changes: Fix 'invalid reference: submit-strategy' warning
Set version to 2.14.14
Update jruby to 9.1.17 and asciidoctorj to v1.5.7
Elasticsearch: Ensure request URI is always prefixed with "/"
AbstractElasticIndex: Factor out more variants of {post,perform}Request
rest-api-projects: Fix "unterminated listing block" warning
config-gerrit: Fix "invalid reference: database.h2.cachesize" warning
Bazel: Specify name for downloaded file to http_file starlark rule
Set version to 2.14.14-SNAPSHOT
CreateProject: Provide signed push option on project creation
Revert "AsyncReceiveCommits: Move ReceiveCommits into Worker"
Change-Id: I839334906060534e8dd9bd2658c6eb57ccd79c69
b6fa44f8b5