Add ProjectParseResult

- Track which file has errors and which has warnings
- Add test for import parse warnings
- Remove added type sigs, use e for error type
- Move ProjectParseResult into its own module
- Import qualified from Deprecated.ParseUtils
- Reverse warnings so they are in line number order
- Report parse result error in imported config
- Split project test into warning and error tests
- Add type synonyms for project parse
- Extract function reportProjectParseWarnings
- Show the snippet that doesn't parse
- Add if, elif and else test projects
- Fix else for elif typo
- Show provenance if not root
- Rerun expected output with provenance
- Redo ParseWarningProvenence with ordered output
- Add ProjectParseError record
- Reword badly formed comment lines
- Satisfy fix-whitespace
- Add changelog entry
- Updated - indented expectation
- No snippet when modifying compiler under condition
- Only show custom message with snippet
- Rerun expected output with source
- Use a Doc for the ReportParseResult message
- Update expected .out files
- Use normalized path when recursing
- Consistent projectParse ... source
- Consistent projectParse ... normSource
- Use normalizeWindowsOutput
- Use .md extension on changelog entry
- Satisfy HLint
- Revert elif to else, see that this is wrong and undo