Tagging for version 2.1.3
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Improved docs around START and the CYpher endpoints.
Merge pull request #2749 from nawroth/no-start

Improved docs around START and the Cypher endpoints.
Update version to 2.1.4-SNAPSHOT
Fix browser javadoc jar build
Fix inconsistent behavior in diffsets on remove/add combination.

Previously, remove+add would result in an item added, while add+remove
would result in no net changes. This fixes this inconsistency, leading to net
no changes in both cases.

This resolves two bugs in property and label changing, where one would remove
and add the same label or property multiple times in the same transaction.
Introduce CypherOptionParser
Merge pull request #2750 from davidegrohmann/2.1-fix-browser-javadoc-jar

Fix browser dummy javadoc jar build
Switch top-level CypherCompiler to using CypherOptionParser

o Rename Prepared to ParsedQuery and clean up interface
o Fix CypherOptionParser's parsing of versions
Extract common code into Base
Merge pull request #2757 from systay/pre-parser

Introduce a pre-parser in preparation for PROFILE/EXPLAIN
Removed IRC link, updated events URL.
Merge pull request #2748 from lutovich/2.1-maint

Fix flaky ParallelBatchImporterTest
Merge pull request #2751 from jakewins/2.1-diffset-correct

Fix inconsistent behavior in diffsets on remove/add combination.