Improve js written for guides

* Stop using unnecessary global variable
* Use function defined by jQuery for simplicity
* Fix event listner for "more info button" to handle
  event on resize browser
Add few information about missing steps [ci skip]

Add some deprecations previously note covered such as the confirm
option for the link_to helper or options which aren't needed anymore

Also add a mention about the config.assets.js_compressor option.
Document where `column` param gets utilized in `substitute_at`.
Cleanup ul_encoded_params_parsing_test
 #11288: Removed duplicated touching

if belongs to model with touch option on touch

Closes #11288
Remove action view test duplication

Same test exists above 2 or 3 lines.
Merge pull request #11332 from sanemat/fix/av-test-duplication

Remove actionview test duplication
fixes broken links in the API [Fixes #11335] [ci skip]
Merge pull request #11306 from jetthoughts/11288_remove_extra_queries_for_belongs_to_with_touch

 #11288: Removed duplicated touching

Conflicts:
	activerecord/CHANGELOG.md
fixes Rails version for the stable API [ci skip]
RUNNING_UNIT_TESTS file is in rdoc [ci skip]
actionpack not having activerecord tests [ci skip]
Merge pull request #11337 from arunagw/actionview-rdoc

RUNNING_UNIT_TESTS tweaks.
Running isolated test for assertions and journey

in actionpack
Some performance benchmarking for take vs limit

Also added a dummy progress bar during insert of records so it shows something is happening.
Performance report
          Model.take     6198.9 (±13.4%) i/s -     121743 in  20.042671s
         Model.take!     6173.6 (±13.6%) i/s -     121242 in  20.057006s
Model.all limit(100)      107.8 (±15.8%) i/s -       2106 in  20.022316s
 Model.all take(100)      105.2 (±15.2%) i/s -       2061 in  20.062509s
Merge pull request #11339 from arunagw/running-actionpack-isolated

Running isolated test for assertions and journey
Cleaned up wording and tags.

Replaced <br /> with <br> for consistency; Added note about
singular/plural distinction (which was previously confusing to a Rails
noob); Rephrased explanation of how form is routed to controller, again
to reduce confusion; and added explanation to replace incorrect link.
[ci skip]
Merge pull request #11336 from ankit8898/performance-bm

Some performance benchmarking for take vs limit
Merge pull request #11324 from blahedo/master

Cleanup on getting_started tutorial
Merge pull request #11313 from gsamokovarov/url-encoded-params-test

Cleanup ul_encoded_params_parsing_test