Log warning if passed view controller is nil (common support request)
Fixes IOS-394
Adding some accessibility identifiers to help with testing.
run all images through ImageOptim for compression (saved 45% on average)
Separate error logs for each case.
Merge pull request #80 from apptentive/compress_images

run all images through ImageOptim for compression (saved 45% on average)
Don’t save empty email textfields as empty string emails on person object.
But if person already has an email and the field is now blank, treat that as intentionally deleting the email (251f95065403bd8afeca3d95c55ab97cca09769f).
Allows `initialUserEmailAddress` to be updated after sending the Feedback Form with no email.
Fixes IOS-415
Ability to delete a previously entered email
Fixes IOS-418
Deleting person’s email address if email is entirely whitespace.
Updated to v1.2.9
Merge pull request #82 from apptentive/Next

Release v1.2.9
Fixes IOS-408 Dragging down in message center moves the keyboard as well
Fixing some build warnings for 64 bit builds.
Merge commit 'ff560e2a164b70c078813051bd3312cadb0435cb' into Next
Squashed 'ApptentiveConnect/ext/PrefixedTTTAttributedLabel/' changes from 99812be..7d0a53d

7d0a53d Merge remote-tracking branch 'mattt/master'
abf95e6 Merge pull request #324 from ScottPetit/master
4626f63 - updates TTTAttributedLabelVerticalAlignment to use NS_ENUM, fixes warning when building to 64-Bit
4046ef4 Adjusting default offset of highlight outline
3d9e414 [Issue #311] Adding call to CATransaction flush to make link tapping more responsive
a195014 Added Core Text kern attribute
27f996f Adding social_media_url to podspec
ef4b035 Invalidate intrinsic content size when attributed text changes
526ebdc [Issue #314] Removing unused UILineBreakModeFromTTTLineBreakMode
e624273 [Issue #308] Fixing inactive link range check
3d523c5 Bumping version to 1.8.1
0a423ac [Issue #307] Fixing initWithCoder:
945df55 Minor reformatting
4696bf7 [Issue #296] Improving paragraph styling with text insets property
78db56f Fixing typo in initWithCoder:
6b38fe8 Minor reformatting
be4bdb6 [Issue #303] Implementing tintColorDidChange by adding inactiveLinkAttributes @property
cb60511 Removing unnecessary call to willChangeValueForKey: / didChangeValueForKey:
e1bf2be Merge branch 'master' of github.com:mattt/TTTAttributedLabel
32eeb00 Adding check for point within range for setActiveLink:

git-subtree-dir: ApptentiveConnect/ext/PrefixedTTTAttributedLabel
git-subtree-split: 7d0a53d169450d457b28a96c5948e320b4febabb
Fixes IOS-388 Change `build_distribution.py` to build Release rather than Debug builds
Changes made when building distribution.
Adding to changelog.
Losslessly Compress Images using 'Insane' Settings
typo
Merge branch 'MatthewCallis-master' into Next