* Remove old Innobase copyright lines from C source files
* Add a reference to the GPLv2 license as recommended by the lawyers
at Oracle Legal
[Step 22/28]
as type-independent macros instead of functions. Because ut_2pow_round()
and ut_2pow_remainder() no longer assert ut_is_2pow(m), add the assertions
to callers when needed. Also add parentheses to assist the compiler in
common subexpression elimination.
ut_is_2pow(): New function for testing if a number is zero or a power of two.
Use this function instead of bitwise arithmetics or ut_2_power_up() where
possible.
