Merge pull request #9089 from bdbergeron/master

[Update] BDBSplitViewController (1.3.0)
Mantle 1.4.1
Updated source git URL
Reverted source URL change - CocoaPods doesn't allow change so best to use redirect.
Updated Appsfire iOS SDK 2.2.0 podspec.
Merge pull request #9092 from alikaragoz/master

Updated Appsfire iOS SDK 2.2.0 podspec.
XlMailBoxContainer pod spec added.
Merge pull request #9091 from dcaunt/mantle

Mantle 1.4.1
Added UKPostcodeValidator 0.1.0
Adds DZNSegmentedControl v1.0
Added podspec for CCHMapsActivity 0.0.2
Update PDTSimpleCalendar to 0.6
Version Localytics-AMP download URLs
updated podspec for LDViewStack
2.21.0 has a different zip structure
SBRateApp 0.1.1
Merge pull request #9093 from xmartlabs/XLMailBoxContainerAdded

XlMailBoxContainer pod spec added.
[UPDATE] MWLayoutHelpers (1.1.0)
Merge pull request #9094 from calvincestari/UKPostcodeValidator

Added UKPostcodeValidator 0.1.0
Merge pull request #9095 from dzenbot/master

Adds DZNSegmentedControl v1.0