prep 2.5.0
Use one memcpy for appendElements rather than many
Namespace qualify Status in ASSERT_OK
SERVER-8046 Implement lazyness for mutable BSON
Add loadgen and docgen to .gitignore
Fix lame_stacktrace_test LIBDEPS
SERVER-8897 Don't use non-portable variadic comma elision
Avoid tripping C++11 user defined literals
Include what you use for 'abort'
Comparator operator() should be const
Force existence of namespace std in s2 file to placate clang
Examine return value of fail point to placate clang
Avoid enum/unsigned mismatch in case statement
SERVER-7159 Add Random.genNormal() for generating random normal values in tests.
SERVER-7159 Adjust comments and add minor refactoring for record size quantization code.
SERVER-7159 Enhance auditing support for record size quantization and deleted list.
SERVER-8914: rename document.scanned metric