ARROW-2484: [C++] Document ABI compliance checking
ARROW-2484: [C++] Document ABI compliance checking

Author: Korn, Uwe <Uwe.Korn@blue-yonder.com>

Closes #1922 from xhochy/ARROW-2484 and squashes the following commits:

a03cce9d <Korn, Uwe> ARROW-2484:  Document ABI compliance checking

pcmoritz/arrow,pcmoritz/arrow,cpcloud/arrow,kou/arrow,apache/arrow,xhochy/arrow,itaiin/arrow,xhochy/arrow,laurentgo/arrow,xhochy/arrow,tebeka/arrow,wesm/arrow,kou/arrow,xhochy/arrow,tebeka/arrow,wesm/arrow,pcmoritz/arrow,renesugar/arrow,cpcloud/arrow,xhochy/arrow,kou/arrow,wesm/arrow,wesm/arrow,renesugar/arrow,itaiin/arrow,renesugar/arrow,icexelloss/arrow,xhochy/arrow,wesm/arrow,majetideepak/arrow,majetideepak/arrow,wesm/arrow,cpcloud/arrow,majetideepak/arrow,laurentgo/arrow,tebeka/arrow,kou/arrow,pcmoritz/arrow,majetideepak/arrow,majetideepak/arrow,renesugar/arrow,majetideepak/arrow,majetideepak/arrow,pcmoritz/arrow,tebeka/arrow,renesugar/arrow,icexelloss/arrow,renesugar/arrow,itaiin/arrow,cpcloud/arrow,pcmoritz/arrow,laurentgo/arrow,kou/arrow,wesm/arrow,xhochy/arrow,icexelloss/arrow,pcmoritz/arrow,cpcloud/arrow,wesm/arrow,itaiin/arrow,laurentgo/arrow,kou/arrow,apache/arrow,laurentgo/arrow,tebeka/arrow,apache/arrow,itaiin/arrow,itaiin/arrow,wesm/arrow,apache/arrow,xhochy/arrow,laurentgo/arrow,laurentgo/arrow,itaiin/arrow,kou/arrow,icexelloss/arrow,pcmoritz/arrow,itaiin/arrow,majetideepak/arrow,icexelloss/arrow,cpcloud/arrow,wesm/arrow,majetideepak/arrow,itaiin/arrow,kou/arrow,tebeka/arrow,itaiin/arrow,wesm/arrow,tebeka/arrow,kou/arrow,xhochy/arrow,cpcloud/arrow,renesugar/arrow,kou/arrow,pcmoritz/arrow,renesugar/arrow,itaiin/arrow,apache/arrow,majetideepak/arrow,majetideepak/arrow,laurentgo/arrow,majetideepak/arrow,laurentgo/arrow,tebeka/arrow,icexelloss/arrow,xhochy/arrow,pcmoritz/arrow,icexelloss/arrow,xhochy/arrow,xhochy/arrow,laurentgo/arrow,laurentgo/arrow,majetideepak/arrow,xhochy/arrow,laurentgo/arrow,cpcloud/arrow,cpcloud/arrow,renesugar/arrow,renesugar/arrow,pcmoritz/arrow,pcmoritz/arrow,cpcloud/arrow,laurentgo/arrow,renesugar/arrow,cpcloud/arrow,apache/arrow,pcmoritz/arrow,laurentgo/arrow,icexelloss/arrow,itaiin/arrow,apache/arrow,kou/arrow,kou/arrow,xhochy/arrow,majetideepak/arrow,icexelloss/arrow,tebeka/arrow,icexelloss/arrow,apache/arrow,wesm/arrow,wesm/arrow,cpcloud/arrow,cpcloud/arrow,itaiin/arrow,apache/arrow,apache/arrow,apache/arrow,renesugar/arrow,icexelloss/arrow,cpcloud/arrow,apache/arrow,pcmoritz/arrow,laurentgo/arrow,pcmoritz/arrow,renesugar/arrow,itaiin/arrow,wesm/arrow,renesugar/arrow,itaiin/arrow,renesugar/arrow,apache/arrow,kou/arrow,majetideepak/arrow,apache/arrow,tebeka/arrow,icexelloss/arrow,icexelloss/arrow,kou/arrow,xhochy/arrow,icexelloss/arrow