fix issue showing fields in wrong order
Apply Tatsuya79's interlacing-disabled fix

It was already applied to the non-halated version, so went ahead and added it here, too.
Rename 'HQnx' to 'HQx' to match the original name.
Update HQx shader.
Merge pull request #19 from Armada651/master

Update HQx shader
Merge branch 'master' of https://github.com/TroggleMonkey/common-shaders
Fix some implicit conversion warnings in blur-functions.h.  Add an
arbitrarily resizable one-pass 3x3 blur.  Rename "naive" blurs to "resize"
blurs to better communicate their strengths (renaming is bad form for
library code, but no other shaders use it yet).  Fix the vertex shader
code to give "resize" blurs more consistent upsize semantics: Blurs are
now done after resizing, period.  Fix up a few comments and the README.