ARROW-1070: [C++] Use physical types for Feather date/time types
ARROW-1070: [C++] Use physical types for Feather date/time types

This fixes a regression from Feather 0.3.1. Closes https://github.com/wesm/feather/issues/304

Author: Wes McKinney <wes.mckinney@twosigma.com>

Closes #725 from wesm/ARROW-1070 and squashes the following commits:

fe1a5ba [Wes McKinney] Use physical types for date/time types

tebeka/arrow,icexelloss/arrow,wagavulin/arrow,apache/arrow,kou/arrow,wagavulin/arrow,jeffknupp/arrow,jeffknupp/arrow,itaiin/arrow,wagavulin/arrow,apache/arrow,kou/arrow,laurentgo/arrow,laurentgo/arrow,laurentgo/arrow,pcmoritz/arrow,apache/arrow,tebeka/arrow,apache/arrow,itaiin/arrow,majetideepak/arrow,pcmoritz/arrow,pcmoritz/arrow,siddharthteotia/arrow,xhochy/arrow,cpcloud/arrow,wesm/arrow,cpcloud/arrow,cpcloud/arrow,renesugar/arrow,jeffknupp/arrow,kou/arrow,NonVolatileComputing/arrow,kou/arrow,laurentgo/arrow,majetideepak/arrow,jeffknupp/arrow,itaiin/arrow,laurentgo/arrow,cpcloud/arrow,siddharthteotia/arrow,xhochy/arrow,laurentgo/arrow,icexelloss/arrow,icexelloss/arrow,cpcloud/arrow,icexelloss/arrow,wesm/arrow,tebeka/arrow,yufeldman/arrow,icexelloss/arrow,majetideepak/arrow,NonVolatileComputing/arrow,cpcloud/arrow,pcmoritz/arrow,xhochy/arrow,jeffknupp/arrow,icexelloss/arrow,dremio/arrow,tebeka/arrow,itaiin/arrow,apache/arrow,dremio/arrow,wesm/arrow,pcmoritz/arrow,majetideepak/arrow,laurentgo/arrow,wagavulin/arrow,pcmoritz/arrow,apache/arrow,pcmoritz/arrow,cpcloud/arrow,laurentgo/arrow,siddharthteotia/arrow,tebeka/arrow,cpcloud/arrow,wagavulin/arrow,pcmoritz/arrow,laurentgo/arrow,yufeldman/arrow,laurentgo/arrow,pcmoritz/arrow,majetideepak/arrow,xhochy/arrow,laurentgo/arrow,yufeldman/arrow,kou/arrow,xhochy/arrow,renesugar/arrow,wesm/arrow,apache/arrow,wesm/arrow,majetideepak/arrow,siddharthteotia/arrow,itaiin/arrow,icexelloss/arrow,majetideepak/arrow,wagavulin/arrow,jeffknupp/arrow,laurentgo/arrow,tebeka/arrow,renesugar/arrow,itaiin/arrow,yufeldman/arrow,jeffknupp/arrow,majetideepak/arrow,xhochy/arrow,wagavulin/arrow,dremio/arrow,jeffknupp/arrow,renesugar/arrow,icexelloss/arrow,kou/arrow,tebeka/arrow,wagavulin/arrow,NonVolatileComputing/arrow,pcmoritz/arrow,wagavulin/arrow,majetideepak/arrow,siddharthteotia/arrow,pcmoritz/arrow,apache/arrow,wesm/arrow,dremio/arrow,xhochy/arrow,renesugar/arrow,majetideepak/arrow,wesm/arrow,renesugar/arrow,NonVolatileComputing/arrow,icexelloss/arrow,wagavulin/arrow,kou/arrow,dremio/arrow,laurentgo/arrow,yufeldman/arrow,icexelloss/arrow,pcmoritz/arrow,xhochy/arrow,yufeldman/arrow,renesugar/arrow,yufeldman/arrow,xhochy/arrow,tebeka/arrow,wagavulin/arrow,jeffknupp/arrow,jeffknupp/arrow,laurentgo/arrow,siddharthteotia/arrow,kou/arrow,siddharthteotia/arrow,kou/arrow,kou/arrow,apache/arrow,dremio/arrow,wesm/arrow,pcmoritz/arrow,wesm/arrow,cpcloud/arrow,cpcloud/arrow,wesm/arrow,icexelloss/arrow,pcmoritz/arrow,kou/arrow,NonVolatileComputing/arrow,kou/arrow,yufeldman/arrow,apache/arrow,renesugar/arrow,NonVolatileComputing/arrow,renesugar/arrow,cpcloud/arrow,cpcloud/arrow,pcmoritz/arrow,siddharthteotia/arrow,kou/arrow,renesugar/arrow,tebeka/arrow,yufeldman/arrow,xhochy/arrow,majetideepak/arrow,siddharthteotia/arrow,xhochy/arrow,cpcloud/arrow,dremio/arrow,dremio/arrow,xhochy/arrow,apache/arrow,dremio/arrow,siddharthteotia/arrow,renesugar/arrow,apache/arrow,NonVolatileComputing/arrow,cpcloud/arrow,apache/arrow,itaiin/arrow,xhochy/arrow,dremio/arrow,majetideepak/arrow,siddharthteotia/arrow,xhochy/arrow,majetideepak/arrow,icexelloss/arrow,wesm/arrow,NonVolatileComputing/arrow,laurentgo/arrow,apache/arrow,yufeldman/arrow,tebeka/arrow,wesm/arrow,renesugar/arrow,wesm/arrow,itaiin/arrow,majetideepak/arrow,itaiin/arrow,NonVolatileComputing/arrow,kou/arrow,majetideepak/arrow,itaiin/arrow,renesugar/arrow,itaiin/arrow,itaiin/arrow,wesm/arrow,NonVolatileComputing/arrow,dremio/arrow,itaiin/arrow,xhochy/arrow,wagavulin/arrow,NonVolatileComputing/arrow,icexelloss/arrow,itaiin/arrow,itaiin/arrow,icexelloss/arrow,renesugar/arrow,renesugar/arrow,jeffknupp/arrow,yufeldman/arrow