Also, there was a typo in the gitbox URL.

This allows developers to run eunit in a loop until a test crashes. This
can be helpful for fixing flaky tests that are failing due to timing
related issues. For instance:

    make soak-eunit apps=ddoc_cache suites=ddoc_cache_lru_test

This command would run that specific test module repeatedly until it hit
a timing condition that caused a failure. And yes, I used this change to
fix that failure. :D

Previously there was a race between reporting the source update  sequence
between the the workers and the changes readers. Each one used separate
incrementing timestamp sequences.

In some cases that lead to pending changes being stuck. For example, if changes
reader reported the highest sequence with timestamp 10000, then later workers
reported it with sequences 5000, 5001, 5002, then all those reports would be
ignored and users would see an always lagging pending changes value reported
with timestamp 1000.

The fix is to thread the last_sequence update through the changes queue to
the changes manager, so only its timestamp sequence will be used. This removes
the race condition.

Fix compaction daemon tests

View compacting process can be just a bit
slow on exit after swap_compacted call.

This leads to the test failure, because
compacting process holding on db monitor

With meck unload set during per suit
teardown all the mocked modules crashing
with "not_mocked" error on attempt
to stop couch in the final cleanup.

This fix moves load and unload meck
modules into global setup and cleanup

Adds X-Frame-Options support to help protect against clickjacking.
X-Frame-Options is configurable via the config and allows for DENY,
SAMEORIGIN and ALLOW-FROM

COUCHDB-3358

When indexing a set of fields for text search, we also create a special
field called $fieldnames. It contains values for all the fields that
need to be indexed. In order to do that, we need a unique list of the
form [[<<"$fieldnames">>, Name, [] | Rest]. The old code would add an
element to the list, and then check for membership via lists:member/2.
This is inefficient. Some documents can contain a large number of
fields, so we will use gb_sets to create a unique set of fields, and
then extract out the field names.

COUCHDB-3358