Releases/ChangesIn3.1

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Changes from v3.0

Below is a summary of changes from v3.0. Commercially licensed users may obtain the detailed change list / release notes from http://downloads.kx.com

- improved performance of select with intervals.
- improved performance through using more chip specific instructions (sse).
- parallel processing through multiprocess peach.
- and numerous other minor fixes and improvements.

n.b. NUCs (Not Upwardly Compatible)

- distributed each (i.e. q -s -N) no longer opens connections to slave processes automatically on ports 20000+til N.
- result type of E arithmetic for +-* changes from F to E. (avg and wavg still always go to F. mdev promotes to F.)

Also see http://kx.com/press-releases-130610.php.

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