Update copyright headers in all files

Squashed commit of the following:

* First version of a script to manage copyright statements

re #23468

* Neatened up script, added comments

re #23488

* move script to tools directory

re #23488

* small script changes and a couple of manual file changes

re #23488

* Minor chnage to whitespace detection in regex

re #23488

* Add an excluded directory

re #23488

* remove a repeasted copyright statement in a file

re #23488

* Don't comsume the comment end if it is on the same line

re #23488

* fix error in new copright parsing

re #23488

* remove double copyrifght entry

re #23488

* Improve handling of old copyrights at the start of comments

re #23488

* remove empty comments re #23488

* exclude gsoapgenerated directories

re #23488

* Sort out greedy line matching re #23488

* improve empty comment removal

re #23488

* improve false positives

re #23488

* impressive speedup by limiting regex matching length

re #23488

* remove evil invisible non ascii character

Also upadte the copyright at the same time

re #23488

* resolve multiple copyrights in a single file

re #23488

* resolve an issue with new statement detection

re #23488

* another unprintable unicode character

re #23488

* pep updates and cmake the new copyright fit clang format

re #23488

* update already done new format headers

re #23488

* wrong type of bracket

re #23488

* Update class_maker and friends

re #23488

* Update all copyright statements

re #23488

* clang format re #23488

* flake8 warnings re #23488

* Flake8 warnings re #23488

* Exclude .cmake.in and rb.in files

re #23488

* replace missing line re #23488

* exclude .py.in files as they are flasely recognized as C++

re #23488

* another setp.py.in re #23488

* another .py.in correction re #23488

* Hopefully the last of the .py.in files re #23488

* resolve utf-8 encoding of python files and changed ABINS checksum

re #23488

* updates to unit tests that reference line numbers

re #23488

* remaining unit test files and other fixes

re #23488

This was a behavior introduced in #22425 to solve a problem with data
that wasn't being binned during the processing step. This changes it to
rebin only if it hadn't been during the processing.

Refs #21800

The algorithm was setting the InOut *Workspace* property to another
workspace if the input workspace type was MatrixWorkspace. Instead, it
should modify the InOut value in place.

Re #23600

The function was trying to dereference a nullptr if the given component
wasn't found crashing MantidPlot. Now it throws gracefully.

Re #23584

Found via `codespell -q 3 -I ../mantid-word-whitelist.txt` where whitelist consists of:  
```
alloced
allws
ang
ans
arithmetics
dum
dur
iff
isnt
ith
lod
mut
nd
originaly
sav
splitted
te
tim
uint
```

Refs #23563

- WARNING: relatedalgorithms - Could not find algorithm "" listed in the seeAlso for HB2AReduce.v1

- writing output... [ 51%] algorithms/SaveReflectometryAscii-v1
WARNING: display latex u'x_i \\dot \\frac{x_{1} - x_{0}}{x_{1}}': latex exited with error
! Argument of \frac  has an extra }.
<inserted text>
                \par
l.14 $x_i \dot \frac
                    {x_{1} - x_{0}}{x_{1}}$

Refs #22486