Parse commit body

[danrs]

Revert formatting change in ac1e937 which causes only the commit subject to be parsed. Fixes #213

Summary of changes

Do any of the followings changes break current behaviour or configuration?

• NO

How changes have been tested

• Manual testing: I tested major, minor and default changes using both the commit head and body. No issues were observed.

List any unknowns

• @sbe-arg was there a reason you chose %s over %B in ac1e937? Are there any side-effects of %B that we need to avoid?