Flexible Dimension#46

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linshu wants to merge 21 commits intoawslabs:masterfrom

linshu:flex_dimension

Commits on Apr 25, 2017

Commits on Apr 27, 2017

Commits on May 6, 2017

Remove execute permission of files.
linshu
committed

Commits on May 31, 2017

Commits on Jun 1, 2017

Move dimension handler from class variable to instance variable. Move dimension
linshu
committed

Commits on Jan 20, 2018

Commits on Jan 22, 2018