support multiline labels and empty labels

[chonton]

section should be able to support multiline labels and empty labels

[codecov]

Codecov Report

Merging #968 into master will increase coverage by 0.17%.
The diff coverage is 94.73%.

@@             Coverage Diff              @@
##             master     #968      +/-   ##
============================================
+ Coverage     51.57%   51.75%   +0.17%     
- Complexity     1232     1362     +130     
============================================
  Files           144      147       +3     
  Lines          7251     7462     +211     
  Branches        981     1132     +151     
============================================
+ Hits           3740     3862     +122     
- Misses         3195     3234      +39     
- Partials        316      366      +50

Impacted Files	Coverage Δ	Complexity Δ
...bric8/maven/docker/assembly/DockerFileBuilder.java	90.29% <94.73%> (+0.18%)	76 <5> (+4)	⬆️
...a/io/fabric8/maven/docker/config/UlimitConfig.java	71.42% <0%> (-19.05%)	9% <0%> (+1%)
...config/handler/property/PropertyConfigHandler.java	71.77% <0%> (-18.78%)	107% <0%> (+65%)
...a/io/fabric8/maven/docker/util/DockerFileUtil.java	63.82% <0%> (-11.18%)	11% <0%> (ø)
...ic8/maven/docker/config/AssemblyConfiguration.java	72.3% <0%> (-4.75%)	14% <0%> (ø)
...ven/docker/config/handler/ImageConfigResolver.java	96.29% <0%> (-3.71%)	10% <0%> (+2%)
.../fabric8/maven/docker/config/LogConfiguration.java	87.8% <0%> (-2.44%)	8% <0%> (ø)
...8/maven/docker/config/WatchImageConfiguration.java	60.86% <0%> (-1.04%)	1% <0%> (ø)
...fabric8/maven/docker/service/ContainerTracker.java	95.09% <0%> (-0.99%)	27% <0%> (ø)
.../fabric8/maven/docker/service/RegistryService.java	64% <0%> (-0.87%)	11% <0%> (ø)
... and 19 more

[rhuss]

Thanks ! I'm on the road currently but will have a look soonish.

[rhuss]

Thanks !