Fixed compiler warning caused by logging macro.
AER 2566 Add interface in aerospike to allow setting context
Fixed as_hashmap constructor to handle 0 capacity correctly.
AER-2947 - as_list feature support - added insert(), delete(), concat(), and trim(), with basic unit tests.
Merge pull request #6 from citrusraj/master

AER 2566 Add interface in aerospike to allow setting context
Changed name of list method from 'delete' to 'remove', for consistency, and to fix node.js (C++) build.
AER-2254 - add structural support for getting a record's key and set name.
Fixed bug in tostring() method for lists containing null elements, and fixed bug in growing an arraylist when setting an element.