Resolve "VFFA"

Closes #402

See merge request !213

Merge branch '402-vffa' of gitlab.psi.ch:OPAL/src into origin/402-vffa - implement VFFA analytical field model.

Resolve "Closed Orbit Finder should not call exit()"

Closes #401

See merge request !215

Resolve "Increase simulation efficiency"

Closes #384

See merge request OPAL/src!198

Resolve "Follow-up from "Resolve "Cleanup in other CMakeLists.txt"""

Closes #399

See merge request !211

Merge branch '400-more-cleanup-for-optimiser-tests-follow-up-from-resolve-removed-unused-nsga2-directory' into 'master'

Resolve "More cleanup for `optimiser/Tests` - Follow-up from "Resolve "removed unused nsga2 directory"""

Closes #400

See merge request !212

Merge branch 'master' of gitlab.psi.ch:OPAL/src into 399-follow-up-from-resolve-cleanup-in-other-cmakelists-txt

Resolve "Cleanup in other CMakeLists.txt"

Closes #397

See merge request OPAL/src!209

Resolve "Cleanup CMakeLists.txt in IPPL"

Closes #393

See merge request !205

Resolve "use qualifier __restrict__ in src/Classic/Fields/Astra1DDynamic.h"

Closes #398

See merge request OPAL/src!210

Resolve "Cleanup CMakeLists.txt in tests and tools"

Closes #396

See merge request !208

Resolve "Cleanup CMakeLists.txt in Classic"

Closes #394

See merge request !206

Resolve "removed unused nsga2 directory"

Closes #389

See merge request !201

# Conflicts:
#   src/CMakeLists.txt

Resolve "Cleanup CMakeFiles"

Closes #392

See merge request !204

Resolve "replace deprecated std::bind2nd() in CLASSIC"

Closes #391

See merge request !203

Resolve "remove restrict qualifier from methods in IPPL"

Closes #390

See merge request !202