Update with errors and insert more buttons to copy code

[marionbarker]

Build/Step 14:

• improve format of copy button
• add error messages for lack of Xcode or Xcode command line tools

Build/Updating:

• Add copy buttons
• add error messages for lack of Xcode or Xcode command line tools
• add potential terminal messages for manual step 4a, 4b steps

Build/Code Customization:

• Add Key Phrase buttons to copy text to buffer
• Update information for custom Loop icons for Workspace