mongodb+srv:// seed-list support (Percona-Lab#289)

* add mongodb+srv:// support

* Cleanup

* Remove test logging

* Move raise -> log+raise

* Fix URI check + build.sh

* Fix missing 'e' in except-line

* revert 3.6 tools

* 1.4.0 -> 1.4.1 version

* Fix flake8 warn

* Add --no-cache back

Update VERSION (Percona-Lab#282)

Merge pull request Percona-Lab#253 from timvaillancourt/1.3.0

1.3.0 release

Merge pull request Percona-Lab#229 from timvaillancourt/1.2.0-README-…

…fixes-v0

1.2.0 README + Config Default Typo fixes v2

1.1.0 Release (Percona-Lab#188)

* Only apply quorum checking to voting members

* Only apply quorum checking to electable members (not arbiter or priority=0)

* 'make docker' must depend on the bin/mongodb-consistent-backup Makefile-step (Percona-Lab#167)

* Fix issue Percona-Lab#163, move to OperationError() (Percona-Lab#168)

* Remove 'secondary_count' logic, only count electable nodes for new quorum logic (Percona-Lab#169)

* 1.0.4: Print more mongodump details (Percona-Lab#170)

* Print more details about mongodump

* Version must be set first

* Check if version unknown

* 1.0.4: Ensure Resolver consistent timestamp is not before end of mongodump (Percona-Lab#164) (Percona-Lab#171)

* Don't return an consistent_end_ts that is earlier than the last_ts of mongodump oplogs
* Some code cleanup and fixed rounding-up logic

* 1.0.4: Support handling of TailThread cursor/connection failures (Percona-Lab#174)

Support better handling/logging of TailThread cursor/connection failures
Fsync the tailed oplog to disk on time or doc-writes thresholds.
Pass 'backup_stop' event to threads to signal failure to other child threads.
Allow oplog tailing to be disabled.
Added script to simulate failure of cursor/query.

* Fix disabling of oplog tailer

* Fix disabling of oplog tailer (Percona-Lab#175)

* 1.0.4: Mongodump handle error (Percona-Lab#176)

* Handle mongodump's "Failed: ..." messages as a proper error

* 1.0.4: Support Google Cloud Storage upload v1 (Percona-Lab#178)

* 1.1.0 VERSION (Percona-Lab#180)

* Readme gcs (Percona-Lab#181)

* Readme gcs 2 (Percona-Lab#182)

* 1.1.0 requirements.txt update (Percona-Lab#183)

* Update Fabric and boto versions

* 1.1.0 repllag default 10s (Percona-Lab#184)

* Raise default repl lag max to 10s, 5s has shown to be too low on many hosts. 3.4 adds a no-op oplog update every 10s so this seems to align nicely with it

* 1.1.0 gcs upload threading (Percona-Lab#185)

Merge pull request Percona-Lab#154 from timvaillancourt/1.0.3

1.0.3 Release

Merge pull request Percona-Lab#141 from Percona-Lab/1.0.2

1.0.2 Release

Merge pull request Percona-Lab#118 from timvaillancourt/1.0.1

1.0.1: Minor fixes for 1.0 release

Merge pull request Percona-Lab#112 from Percona-Lab/MCB_1.0

mongodb_consistent_backup 1.0: Wrap-up merge of MCB_1.0 branch -> master

Merge pull request Percona-Lab#77 from timvaillancourt/thread_limit

Limit the number of parallel mongodump workers based on CPU count