provide node path on configuration

If you no provide node path in assetic configuration, UglifyCssFilter throw a  `RuntimeException: Path to node executable could not be resolved.`
Update uglifyjs.rst
Update uglifyjs.rst
update uglifyjs.rst
feature #4249 provide node path on configuration (desarrolla2)

This PR was merged into the 2.3 branch.

Discussion
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provide node path on configuration

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs? | No
| Applies to    | all
| Fixed tickets |

If you no provide node path in assetic configuration, UglifyCssFilter throw a  `RuntimeException: Path to node executable could not be resolved.`

Commits
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ab3dbef update uglifyjs.rst
1a5c0a6 Update uglifyjs.rst
1621071 Update uglifyjs.rst
2258ac9 provide node path on configuration
[#4249] Tiny tweak to language
Removed unnecessary comma
minor #4252 Removed unnecessary comma (allejo)

This PR was submitted for the 2.5 branch but it was merged into the 2.3 branch instead (closes #4252).

Discussion
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Removed unnecessary comma

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | all
| Fixed tickets |

My first pull request, so I'm not entirely sure if I did this right. Anyhow, as the title suggests, the comma doesn't belong in this sentence.

Commits
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a4190bd Removed unnecessary comma
Update remove.rst

Add note about removing web/bundles/acmedemo directory
Update remove.rst
Update remove.rst
Applied comments
minor #4238 Finished #3924 (WouterJ)

This PR was submitted for the master branch but it was merged into the 2.3 branch instead (closes #4238).

Discussion
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Finished #3924

Commits
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6f5c67c Applied comments
d16e21e Update remove.rst
ec568da Update remove.rst
6e72acc Update remove.rst
Clarify that route defaults don't need a placeholder