clang-tidy_strict warnings for Arx in branch 1.2.1

• performance-no-int-to-ptr [docs] (1)
• bugprone-integer-division [docs] (2)
• bugprone-suspicious-memory-comparison [docs] (2)
• cppcoreguidelines-interfaces-global-init [docs] (2)
• cppcoreguidelines-pro-type-const-cast [docs] (3)
• misc-confusable-identifiers [docs] (3)
• cert-dcl58-cpp [docs] (4)
• modernize-raw-string-literal [docs] (4)
• readability-suspicious-call-argument [docs] (4)
• bugprone-assignment-in-if-condition [docs] (6)
• readability-redundant-access-specifiers [docs] (6)
• modernize-use-equals-delete [docs] (8)
• cert-err34-c [docs] (10)
• readability-make-member-function-const [docs] (11)
• readability-misleading-indentation [docs] (11)
• boost-use-to-string [docs] (13)
• cppcoreguidelines-virtual-class-destructor [docs] (13)
• readability-container-data-pointer [docs] (13)
• modernize-concat-nested-namespaces [docs] (14)
• readability-simplify-boolean-expr [docs] (17)
• bugprone-implicit-widening-of-multiplication-result [docs] (21)
• llvm-namespace-comment [docs] (26)
• modernize-use-emplace [docs] (27)
• concurrency-mt-unsafe [docs] (28)
• modernize-pass-by-value [docs] (36)
• modernize-deprecated-headers [docs] (38)
• cppcoreguidelines-prefer-member-initializer [docs] (40)
• cppcoreguidelines-avoid-const-or-ref-data-members [docs] (44)
• readability-static-accessed-through-instance [docs] (60)
• bugprone-branch-clone [docs] (66)
• modernize-avoid-bind [docs] (71)
• google-explicit-constructor [docs] (72)
• readability-isolate-declaration [docs] (77)
• modernize-use-equals-default [docs] (82)
• cppcoreguidelines-pro-type-member-init [docs] (92)
• readability-else-after-return [docs] (104)
• bugprone-easily-swappable-parameters [docs] (117)
• cppcoreguidelines-special-member-functions [docs] (133)
• readability-convert-member-functions-to-static [docs] (134)
• modernize-macro-to-enum [docs] (139)
• bugprone-macro-parentheses [docs] (145)
• modernize-return-braced-init-list [docs] (171)
• modernize-use-using [docs] (213)
• cppcoreguidelines-macro-usage [docs] (256)
• modernize-loop-convert [docs] (262)
• misc-non-private-member-variables-in-classes [docs] (284)
• cert-err58-cpp [docs] (286)
• readability-function-cognitive-complexity [docs] (296)
• cppcoreguidelines-init-variables [docs] (392)
• altera-struct-pack-align [docs] (399)
• modernize-use-nodiscard [docs] (437)
• modernize-use-auto [docs] (438)
• modernize-avoid-c-arrays [docs] (592)
• modernize-use-default-member-init [docs] (665)
• misc-use-anonymous-namespace [docs] (676)
• modernize-use-override [docs] (690)
• bugprone-narrowing-conversions [docs] (717)
• cppcoreguidelines-avoid-non-const-global-variables [docs] (914)
• google-runtime-int [docs] (1020)
• readability-braces-around-statements [docs] (1158)
• google-readability-casting [docs] (1253)
• modernize-use-nullptr [docs] (1670)
• readability-identifier-length [docs] (3205)
• misc-const-correctness [docs] (3307)