Fix unsafe RedisHelper.generateRedisProtocol

On RESP, prefixed length of Bulk Strings should be bytes length, not UTF-16 length.
Overload inject/protocols/throttle/assertions to they accept Iterable, close #2193
comment
WebSocket: Automatically reply pong to ping frames
Merge pull request #2194 from ngocdaothanh/master

WebSocket: Automatically reply pong to ping frames, close #2047
minor clean up: import full package
Merge pull request #2192 from okumin/fix-redis-protocol

Redis: Fix unsafe RedisHelper.generateRedisProtocol
Clean up and rename StandardCharsets into CharsetHelper, close #2195
Make LeakDataWriter period configurable, close #2191
Merge pull request #2196 from gatling/leak-period

Make LeakDataWriter period configurable, close #2191
Recorder: Select 'Blacklist first' on 'no static resources', close #2187
Merge pull request #2197 from gatling/blacklist-when-no-static-resources

Recorder: Select 'Blacklist first' on 'no static resources', close #2187
Move Crlf to StringHelper
Fix compile
Set AHC maxRetry set to 0, close #2199
Allow tag builds to publish to Sonatype/trigger builds, close #2198
Upgrade Boon 0.26
Upgrade AHC 1.9.0-BETA13
Recorder: pad generated URIs for proper sorting, close #2185
Merge pull request #2201 from gatling/recorder-uris-sort

Recorder: pad generated URIs for proper sorting, close #2185