Release 0.37.1

Minor fixes after the main release.

Summary of changes:

• New features:
  • Add guilt push -C to specify diff context
  • Handle multiple patches for guilt delete
  • Add guilt series -m to show missing patches
• Update contribution file
• Improve Documentation Makefile (dependencies, minor fixes and better error handling)
• Update bash completion script
• Make source code more coherent
• Better check for working tree
• Add more regression tests
• Speed up removing references
• Other minor fixes (like additional quoting or typos)

Axel Beckert (1):

• Fix typos found by lintian

Frediano Ziglio (21):

• docs: Rename Contribute file to prepare to change format
• docs: Update Contributing file
• Use target macro instead of rewriting it
• Split rule that can create 2 files
• Use immediate expansion of macro instead of lazy expansion
• Adjust documentation build dependencies
• Improve usage.sh script
• Compute dependencies from usage TXT files in Makefile
• Add missing commands to bash completion
• Implement guilt push -C to set context
• Quote variables in Makefile
• Do not use exec to just change program arguments
• Improve unset_guards function
• Avoid using obsolete guilt-XXX commands
• Quote some reference names
• Use remove_ref instead of remove_patch_refs for single patch
• Simplify remove_ref
• Speed up remove_patch_refs if possible
• Add support to delete multiple patches at a time
• Do not suggest applied patch completing guilt delete command
• Add support for guilt series -m

Per Cederqvist (10):

• Remove a trailing blank line in guilt-goto
• do_get_header: skip more fake mbox lines
• Use sed instead of awk to print a given line
• Consistently use spaces inside arithmetic expansions
• Always explicitly pass the third argument to commit
• Create a Docker image suitable for running the tests
• Revert "Cache git toplevel directory"
• Check working tree in many subcommands
• Add test cases for running guilt from $GUILT_DIR/$branch
• Ensure git help displays man pages from source during regression runs