Add parent commits to build details

[bjornoleh]

List commit ID including parent commits as a separate line in build details under Settings

Resolves #311

[bjornoleh]

Example of display of one parent commit in addition to the latest commit:

Parent1: 3be872c is the tip of alpha

[bjornoleh]

Example with two parent commits:

Parent1: 032c6e2 is the previous commit before merging alpha into private branch
Parent2: 3be872c is the tip of alpha

[marionbarker]

Summary

• Success - this does what it is designed to do
• Caveats:
  • I didn't do a test case where 2 parents show up
  • Others need to decide if this change is preferred

Tests:

The full list of commits entered into parent_commits (test branch) are at the bottom of this comment.
For each successive test case below, report the strings shown on the Settings page:

• Build straight dev branch

Branch: dev 9672da25

• Create new branch, parent_commits, from dev and apply the patch, do not commit the changes

Branch: parent_commits
Commit: 9672da25, Parent1: bd566014

• Commit the changes to parent_commits branch

Branch: parent_commits
Commit: 2c21e528, Parent1: 9672da25

• Add another commit to parent_commits

Branch: parent_commits
Commit: b6f1b677, Parent1: 2c21e528

• Add another commit to parent_commits

Branch: parent_commits
Commit: 5fb31d49, Parent1: b6f1b677

• Reverse PR-312 and commit that change

Branch: parent_commits f704e089

Commit history for parent_commits at end of test:

• Commit the changes, report git log --oneline -6

f704e089 (HEAD -> parent_commits) reverse Trio PR 312
5fb31d49 comment line added to Config.xcconfig to modify commit history again
b6f1b677 comment line added to Config.xcconfig to modify commit history
2c21e528 apply Trio PR 312 to commit 9672da25 of dev
9672da25 (origin/dev, dev)  Add Trio-Specific App Group for Isolated Data Storage (#314)
bd566014 Merge pull request #337 from polscm32/decimalTextfield