Use var pingInterval as parameter of setInterval

Signed-off-by: Larry Tin <dev@goodow.com>
ISO 8601 datetime in VertxLoggerFormatter

Signed-off-by: Daniel Krawczyk <dankraw@gmail.com>
Clear ping timer when sockjs closed.

Signed-off-by: Larry Tin <dev@goodow.com>
Allow null message body

Signed-off-by: Larry Tin <dev@goodow.com>
handle duplicate class definition errors during module classloading

Signed-off-by: Jon Keys <jon.keys@gmail.com>
Fix NPE on binary get
Make sure JsonArray is mutable when creating with array
extra test
Merge pull request #758 from larrytin/fork

Allow null message body
Merge pull request #767 from larrytin/patch-2

Use var pingInterval as parameter of setInterval
Merge pull request #768 from dankraw/logger_datetime_format

Full ISO 8601 datetime by default in VertxLoggerFormatter
Don't use keep-alive for http resolution as not all servers will support this
increase delay on timer test because of CI
improve error message if java compiler cannot be found
Various optimizations:
 * Allow to use pre-created optimized CharSequence for headers
 * Upgrade to new netty version
 * More performant handling of FlashPolicy
 * Remove usage of ConcurrentMap
Merge pull request #771 from eclipse/http_perf

Various optimizations
remove duplicate code plus small optimisation
Merge branch 'master' of github.com:eclipse/vert.x
Merge pull request #770 from jkeys089/duplicate_class_error

handle duplicate class definition errors during module classloading
Reverting recent change for now