Resolve "Header of loss files"

Closes #620

See merge request !456

Resolve "OPAL-FEL (MITHRA integration)"

See merge request !361

removed bug. Total dist will be computed only when the solve() function gets removed from undulator.cpp

Resolve "DerivePointerAlignment must be set to false in .clang-format"

Closes #621

See merge request !457

Resolve "replace uint with unsigned int"

Closes #618

See merge request !454

Resolve "add clang-format configuration file"

Closes #617

See merge request !453

- AllowShortFunctionsOnASingleLine set to None

- commented out IndentCaseLabels removed. Google default is used

- use Google default for SpaceBeforeCpp11BracedList and SpaceBeforeParens

Resolve "fix floating point comparisons in BoundaryGeometry"

Closes #611

See merge request !447

Resolve "Transversely shifted distribution in temporal monitors"  with additional fixes

Closes #609

See merge request !449

fix position of particles, spos and position of reference particle in temporal monitor; fix positioning of monitor in 3D space

Resolve "Opal version in master branch"

Closes #615

See merge request !450

- use std::isnan() in the obsolete ULP implentation too
- use constexpr for EPS

- use std::abs() instead of std::fabs()
- use std::signbit(n) instead (n < 0)

Merge remote-tracking branch 'origin/master' into 611-fix-floating-point-comparisons-in-boundarygeometry

Resolve "master does not compile any more"

Closes #612

See merge request !448

length_m has been removed but was still used in a constructor

Resolve "Transversely shifted distribution in temporal monitors"

Closes #609

See merge request !444

<cstring> is missing in two source files

See merge request !443

Resolve "define and set project wide editor variables"

Closes #610

See merge request !445

- configuration files for Emacs and Vim added
- plugin for Vim added

Small fixes

See merge request !441