ALIEN-51 : As a User I want Alien 4 Cloud's cloudify2 driver to support Network
[ALIEN-530] ability to provide custom destroy script for a block-storage
ALIEN-51 : As a User I want Alien 4 Cloud's cloudify2 driver to support Network
temp commit for merge
Merge branch 'develop' of https://github.com/vuminhkh/alien4cloud-cloudify2-provider into develop

Conflicts:
	src/main/java/alien4cloud/paas/cloudify2/ComputeTemplateMatcher.java
	src/main/java/alien4cloud/paas/cloudify2/PaaSResourceMatcher.java
	src/main/java/alien4cloud/paas/cloudify2/generator/RecipeGenerator.java
	src/main/java/alien4cloud/paas/cloudify2/matcher/ComputeTemplateMatcher.java