Update e/pow2.h

the next_pow2() functions were missing the in = (in >> 2) | in step. Added them
Merge branch 'patch-1' of git://github.com/mohaps/e

* 'patch-1' of git://github.com/mohaps/e:
  Update e/pow2.h
Merge windows code.

Signed-off-by: Sean Ogden <positivelyskewed.sf@gmail.com>
windows merge fixes.

Signed-off-by: Sean Ogden <positivelyskewed.sf@gmail.com>
windows merge fixes.

Signed-off-by: Sean Ogden <positivelyskewed.sf@gmail.com>
Merge branch 'windows' of git://github.com/seanogden/e

* 'windows' of git://github.com/seanogden/e:
  windows merge fixes.
  windows merge fixes.
  Merge windows code.
Whitespace fixes
add osx support

Signed-off-by: Sean Ogden <positivelyskewed.sf@gmail.com>
Merge branch 'osx' of git://github.com/seanogden/e

* 'osx' of git://github.com/seanogden/e:
  add osx support
Implement "time" in libe rather than header-only to hide portability ugliness.
Add -lrt when necessary
Merge branch 'master' into releases/0.3

* master:
  Add -lrt when necessary
  Implement "time" in libe rather than header-only to hide portability ugliness.
  add osx support
  Whitespace fixes
  windows merge fixes.
  windows merge fixes.
  Merge windows code.
  Update e/pow2.h
Set version numbers for the 0.3.1 release.