Calm-DSL support for Calm 3.5.2

Improvements and Bug fixes:

• Projects changes as per Calm 3.5.2
• Added support for custom roles in ACP i.e. #191
• Fixed bug related to group addition/removal to acps, i.e. #193

Development Bits:

• Please use docker container image ntnx/calm-dsl:v3.5.2 for this release.
• Please refer branch release/3.5.2 for this release.
• Programming Language: Python >=3.6