Added link to player's profile in all appropriate notifications

[OsamahAnsari]

Added a link to the player's profile wherever a player's name shows up in a notification

Handles player profile links for the following:

• Group broadcasts
• Comments of all types (news, puzzles, group, etc.)
• Direct private messages and replies to them

Resolves: #223 Combined with #236, should fix all issues related to notifications that remain.

New notification view after #236 and this patch: