Add changelog for 0.55.1

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Add changelog for 0.55.0 release

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Update changelog for 0.54.2

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Global 'java.jdt.ls.vmargs' setting is ignored

Signed-off-by: Snjezana Peco <snjezana.peco@redhat.com>

Fix the settings format for didChangeConfiguration request

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>

Releasing 0.53.1

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Update 0.53.0 release date

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Add changelog for 0.52.0

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Update changelog and readme for redhat-developer#1084

Signed-off-by: Fred Bricon <fbricon@gmail.com>

Changelog for 0.50.0 release

Signed-off-by: Fred Bricon <fbricon@gmail.com>