Updated the music player to process multiple queries

[sansyrox]

Fixes #433

Checklist

• [x] I have read the Contribution & Best practices Guide and my PR follows them.
• [x] My branch is up-to-date with the Upstream master branch.
• [x] The unit tests pass locally with my changes
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] I have added necessary documentation (if appropriate)
• [x] All the functions created/modified in this PR contain relevant docstrings.

Test Passing

• [x] The SUSI Server must be building on the pi on bootup
• [x] The hotword detection should have a decent accuracy
• [ ] SUSI Linux shouldn't crash when switching from online to offline and vice versa (failing as of now)
• [ ] SUSI Linux should be able to boot offline when no internet connection available (failing)

Short description of what this resolves:

This PR now uses cvlc instead of vlc module, to allow background process for an asynchronous approach of SUSI.

Changes proposed in this pull request:

[sansyrox]

@hongquan , updated

[sansyrox]

@hongquan , updated

[sansyrox]

@hongquan , updated