Resolve hierarchical grouping in branch names for listBranch command

[nelsonni]

Description:

Update the refPattern in processBranchOutput to group remotes/<remote alias> together and treat all other prefixes that include a slash as a hierarchical grouping in the branch name.

This PR resolves #976, and signifies the following version changes (per Semantic Version):

• PATCH version increase

Changes:

This PR makes the following changes:

• Check for remotes/<remote alias to process a remote branch reference, and allow slashes that indicate a hierarchical (directory) structure in the branch name of local branch references.

Checklist:

Before submitting this PR, I have verified that my code:

• Resides on a fix/ or feature/ branch that was initially branched off from development.
• Passes code linting (yarn lint) and unit testing (yarn test).
• Successfully builds a distribution package (yarn package).
• I have read and am aware of the CONTRIBUTING guide for this project.
• My name is listed in the Contributors section, or this PR includes a request to add my name.