More explicit example of set_property

cleanup callback has a "request" parameter (and not "_")
cleanup callback know (since 1.5) if an exception occurred or not (to commit or rollback)
Merge pull request #1302 from flibustenet/patch-1

More explicit example of set_property
Typo fix "not"-->"no"
Corrected the comment's language
Merge pull request #1305 from stevepiercy/1.5-branch

cherry pick #1304 into 1.5-branch
_add_subscriber should resolve dotted names
Add information to CHANGES
Merge pull request #1307 from bertjwregeer/fix.add_predicates_maybe_dotted-1.5

Fix: add predicates maybe dotted 1.5
Correct question to adapt to the the text.

Correct question to adapt to the the text.
- Correct 80-column lines specification to 79 to be compliant with PEP8 and consistent with doc to which this line refers.
Merge pull request #1310 from stevepiercy/1.5-branch

- Correct 80-column lines specification to 79 to be compliant with PEP8 ...
Correct grammar.

Correct grammar.
Remove repeated word.

Remove repeated `operations` word.
Merge pull request #1309 from omidraha/patch-1

Correct question to adapt to the the text.
Merge pull request #1311 from omidraha/patch-2

Remove repeated word.
backport #1300 to the 1.5-branch

add pyramid version and pyramid docs branch to the scaffold generation
machinery so it is available in scaffold templates, this will help
generate proper links in scaffolds and not confiuse people when
they go to documentation