Update JSMessagesViewController.m

Prevent frame resize on keyboard WillSnapBackToPoint when the MessageViewController is embedded within a TabBarController
Account for visible keyboard when setting table view insets (closes #126)
Removing the method `viewWillLayoutSubviews` entirely (closes #126)
Merge pull request #127 from kleo/issue_126_adjustedTableViewInsets

Account for visible keyboard when setting table view insets (closes #126)
Merge pull request #124 from mombrea/patch-1

Update JSMessagesViewController.m
simplify tabbar check
Fix scrolling issue. Now after navigating back to MessagesTableViewController, tableView will scroll to bottom exactly.
Removing deprecated warnings for iOS 7.

Conflicts:
	JSMessagesViewController/Classes/JSBubbleView.m
Updating for possible rounding issues.
Attempt to resolve amusing behaviour when using "split keyboard" on a contained iPad view.
Cosmetic only.

Remove a single space, and clarify a comment.
tweak demo
Merge pull request #141 from scottcc/issue_140_splitKeyboard

Issue 140 split keyboard
formatting
Merge branch 'develop' of https://github.com/jessesquires/MessagesTableViewController into develop
Merge pull request #136 from LazarusX/master

Fix scrolling issue
Merge branch 'develop' of https://github.com/jessesquires/MessagesTableViewController into develop
fix visual glitch from #136
Merge pull request #128 from slycrel/jesse-master-pull

Removing deprecated warnings for iOS 7, keeping iOS 6 support.
Merge branch 'develop' of https://github.com/jessesquires/MessagesTableViewController into develop