Adding check for point within range for setActiveLink:

Signed-off-by: Mattt Thompson <m@mattt.me>
Merge branch 'master' of github.com:mattt/TTTAttributedLabel
Removing unnecessary call to willChangeValueForKey: / didChangeValueForKey:
[Issue #303] Implementing tintColorDidChange by adding inactiveLinkAttributes @property

Signed-off-by: Mattt Thompson <m@mattt.me>
Minor reformatting
Merge branch 'master' of github.com:mattt/TTTAttributedLabel

# By Mattt Thompson (2) and others
# Via Mattt Thompson
* 'master' of github.com:mattt/TTTAttributedLabel:
  Minor reformatting
  [Issue #303] Implementing tintColorDidChange by adding inactiveLinkAttributes @property
  Removing unnecessary call to willChangeValueForKey: / didChangeValueForKey:
  Adding check for point within range for setActiveLink: