double initiate timeout in replSetTest class to avoid timeouts during tests
add a logrotate test
extend the testing of jstests/sharding/shard_key_immutable.js
Revert "add a logrotate test"

This reverts commit 5b461a3eae881a0ca20fe6659d7959962753bb20.
Revert "extend the testing of jstests/sharding/shard_key_immutable.js"

This reverts commit 31bdbdb213372f9877f370bd072a478ce04060ba.
SERVER-13399 Increase timeout in server_status_metrics.js
SERVER-10026 turn off fetches for oplog start hack tests until we make the tests less sensitive