Replacement for MultiLineTableViewCell

Adds MITMultilineTableViewCell to replace MultiLineTableView cell. The new cell's default appearance mimics the existing MultiLineTableViewCell but is not a drop-in replacement.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
Fix bug with non-screen width cells

Make sure to respect the passed in width when calculating the view's ideal height.

Signed-off-by: Blake Skinner <bskinner@mit.edu>
MultiLineViewCell replacement

Replace the MultiLineViewCells in the emergency contacts view with the MITMultilineTableViewCells (using a template cell for dynamic sizing)

Signed-off-by: Blake Skinner <bskinner@mit.edu>