Updating CHANGELOG for 0.7.0 release.
Updating CHANGELOG for 0.7.0 release.

kidaa/aurora,mschenck/aurora,apache/aurora,thinker0/aurora,mschenck/aurora,mschenck/aurora,crashlytics/aurora,thinker0/aurora,medallia/aurora,rosmo/aurora,apache/aurora,mschenck/aurora,crashlytics/aurora,wfarner/aurora,shahankhatch/aurora,medallia/aurora,wfarner/aurora,rosmo/aurora,kidaa/aurora,apache/aurora,rosmo/aurora,kidaa/aurora,shahankhatch/aurora,wfarner/aurora,rosmo/aurora,crashlytics/aurora,medallia/aurora,wfarner/aurora,thinker0/aurora,thinker0/aurora,protochron/aurora,rdelval/aurora,crashlytics/aurora,rosmo/aurora,protochron/aurora,mschenck/aurora,apache/aurora,shahankhatch/aurora,rdelval/aurora,apache/aurora,protochron/aurora,shahankhatch/aurora,rdelval/aurora,kidaa/aurora,rdelval/aurora,shahankhatch/aurora,protochron/aurora,kidaa/aurora,thinker0/aurora,apache/aurora,rdelval/aurora,medallia/aurora,protochron/aurora,kidaa/aurora,rosmo/aurora,protochron/aurora,mschenck/aurora,crashlytics/aurora,wfarner/aurora,medallia/aurora,rdelval/aurora,shahankhatch/aurora,wfarner/aurora,thinker0/aurora,crashlytics/aurora,medallia/aurora