Consider using only .yml or only .yaml extensions

[jprestop]

Describe the Task

When working on #414 it was noted that there are both .yml files and .yaml files, in the repository, which was a source of some confusion. Considering renaming files (and changing any references to those files) for consistency.

Time Estimate

1 to 3 days of work

Sub-Issues

Consider breaking the task down into sub-issues.

• [ ] Add a checkbox for each sub-issue here.

Relevant Deadlines

NONE

Funding Source

TBD

Define the Metadata

Assignee

• [ ] Select engineer(s) or no engineer required
• [ ] Select scientist(s) or no scientist required

Labels

• [x] Select component(s)
• [x] Select priority
• [x] Select requestor(s)

Projects and Milestone

• [x] Select Repository and/or Organization level Project(s) or add alert: NEED CYCLE ASSIGNMENT label
• [x] Select Milestone as the next official version or Future Versions

Define Related Issue(s)

Consider the impact to the other METplus components.

• [ ] METplus, MET, METdataio, METviewer, METexpress, METcalcpy, METplotpy

Task Checklist

See the METplus Workflow for details.

• [ ] Complete the issue definition above, including the Time Estimate and Funding Source.
• [ ] Fork this repository or create a branch of develop. Branch name: feature_<Issue Number>_<Description>
• [ ] Complete the development and test your changes.
• [ ] Add/update log messages for easier debugging.
• [ ] Add/update unit tests.
• [ ] Add/update documentation.
• [ ] Add any new Python packages to the METplus Components Python Requirements table.
• [ ] Push local changes to GitHub.
• [ ] Submit a pull request to merge into develop. Pull request: feature <Issue Number> <Description>
• [ ] Define the pull request metadata, as permissions allow. Select: Reviewer(s) and Development issues Select: Repository level development cycle Project for the next official release Select: Milestone as the next official version
• [ ] Iterate until the reviewer(s) accept and merge your changes.
• [ ] Delete your fork or branch.
• [ ] Close this issue.