Fix udica parsing podman json file

In podman version 1.4.0+ the structure of json file was changed. Udica
parsing procedure needs to be changed to follow podman inspection json
structure.

This commit also fixes tests in CI by recreating predefined json files.

Bump release

Update Testing section in README

Update testing section, to describe how to test udica on SELinux enabled
systems

Increase version of udica

Bump version of udica to v0.1.4

Fix capability allow rules when capabilities are specified in JSON file

Podman provides capabilities in inspected JSON file, this patch fixin
the issue.

Fix invalid syntax output when policy is using just one template

Resolves: containers#6

Bump version of udica to 0.1.1 after adding License headers and remov…

…ing shebang to all source files

Bump version of udica to 0.1.0 after adding support for Docker

containers

Update x_container template based on testing container related to Nvidia

Cuda operations

Like:
https://hub.docker.com/r/mirrorgooglecontainers/cuda-vector-add/