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Merge remote-tracking branch 'upstream/beta' into beta
Use Hikari Connection Pool instead of Postgres default, currently properties hacked around.
Replace ObjectStoreWriter connection if it has been closed somehow.
Read properties for HikariCP connection pool, alter access to underlying PGConnection.
Update database connection properties for new connection pool.
Fix casting to PGConnection.
Export postgres jar.
Close the connection pool correctly.
Less log output of ids.
Extend timeout when checking connection is still valid to avoid build errors.
Merge remote-tracking branch 'upstream/beta' into beta

Conflicts:
	metabolicmine/default.intermine.integrate.properties
	metabolicmine/default.intermine.webapp.properties
Merge pull request #699 from rnsmith/beta

Use HikariCP connection pool instead of Postgres default
merge beta in branch
one file added a column, the QTL file did not change. Update code to handle both cases
Merge pull request #733 from intermine/i648

Changes for human intermine build
Merge branch 'beta' of github.com:intermine/intermine into beta
Merge branch 'beta' into emma

Conflicts:
	intermine/objectstore/main/.classpath
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