[missing-credentials-fix-MOB-1176] Fixed issue with “Missing Credentials” alert being displayed on attempt to launch a push notification with a content unit.
[missing-credentials-fix-MOB-1176] Updated comment.
Merge pull request #68 from playhaven/missing-credentials-fix-MOB-1176

[missing-credentials-fix-MOB-1176] Fixed issue with “Missing Credentials...
[custom-dimensions-MOB-1181] Added ability to set custom dimensions on content requests.
[custom-dimensions-MOB-1181] Switched content request http method from GET to POST.
[custom-dimensions-MOB-1181] Extended functionality of the Example app to have ability to test custom dimensions.
[response-error-handling-MOB-1222] Improved error handling in the part precessing server responses.
Merge pull request #1 in MOB/sdk-ios-internal from custom-dimensions-MOB-1181 to develop

* commit '983a0b37abcd7121e49915fa11c65eb2ce2671ba':
  [custom-dimensions-MOB-1181] Extended functionality of the Example app to have ability to test custom dimensions.
  [custom-dimensions-MOB-1181] Switched content request http method from GET to POST.
  [custom-dimensions-MOB-1181] Added ability to set custom dimensions on content requests.
Merge pull request #2 in MOB/sdk-ios-internal from response-error-handling-MOB-1222 to develop

* commit 'e4e600fb4ba634bba1c12b75512194861c8e0250':
  [response-error-handling-MOB-1222] Improved error handling in the part precessing server responses.
[https-support-MOB-1174] - Changed base URL from http://api2.playhaven.com to https://marketing-ssl.upsight-api.com for all SDK requests. - Added ability to change base URL through open request.
[https-support-MOB-1174] Removed PH_BASE_URL macro from public interface to leave PHGetBaseURL() function as a sole base URL accessor.
[https-support-MOB-1174] Updated open request logic so that it normalizes base URL received in the response.
[https-support-MOB-1174] Removed extra line break.
Merge pull request #3 in MOB/sdk-ios-internal from https-support-MOB-1174 to develop

* commit 'b3f863d0ed502effbfbb7037d6571cf41971d0b7':
  [https-support-MOB-1174] Removed extra line break.
  [https-support-MOB-1174] Updated open request logic so that it normalizes base URL received in the response.
  [https-support-MOB-1174] Removed PH_BASE_URL macro from public interface to leave PHGetBaseURL() function as a sole base URL accessor.
  [https-support-MOB-1174] - Changed base URL from http://api2.playhaven.com to https://marketing-ssl.upsight-api.com for all SDK requests. - Added ability to change base URL through open request.
[feature/MOB-1293-proper-idfa-use] Fixed UTs expecting that SDK end-point host cannot be changed.
[feature/MOB-1293-proper-idfa-use] Introduced PHAdRequest class to encapsulate logic related to IDFA usage. Now only open, content, sub-content and metadata requests include IDFA parameter to comply with Apple’s IDFA use policy.
Merge pull request #4 in MOB/sdk-ios-internal from feature/MOB-1293-proper-idfa-use to develop

* commit 'edd73f5a1c10144073716f6ed107c15b82ef8c97':
  [feature/MOB-1293-proper-idfa-use] Introduced PHAdRequest class to encapsulate logic related to IDFA usage. Now only open, content, sub-content and metadata requests include IDFA parameter to comply with Apple’s IDFA use policy.
  [feature/MOB-1293-proper-idfa-use] Fixed UTs expecting that SDK end-point host cannot be changed.
[feature/MOB-1301-exclude-idfa-from-open] Removed IDFA from open request.
[feature/MOB-1301-exclude-idfa-from-open] Added a couple more test cases to check IDFA inclusion on content requests.
[feature/MOB-1301-exclude-idfa-from-open] Added one more test case to check that IDFA is not included on open request.