Fix Date Issue

Activities with dates prior to 1970 would have incorrect behavior due
to comparators using zero as min time instead of Long.MIN_VALUE.
Put favicon in the static folder
Filter Plugin Mechanism

Add ability to plug in filters as needed via reflection
Remove generic header filter
Fix broken static resource test
Clean up default config file
Clean up pom
Initial commenting

Add the ability to add time sorted comments in the writer and retrieve
comments from the reader.
Add the ability to get a single activity in the reader.
Move getSortTime from Activity to ActivityStreamsObject (for use with
comments)
Comment deletion

Created the ability to delete comments.
ActivityStreamsObject cleanup

Prep for usage of ActivityStreamsObject in resources.
Make reader return ActivityStreamCollections

Reader now returns ActivityStreamCollections instead of arbitrary lists
of objects/activities.
Add size method to ActivityStreamCollection.
Change longs to ints for stream and other lengths.
Add Comments Resource
Add CommentResource

Add getComment to the reader
Add like, unlike, and check likes to engine
Add getLikingUsers to engine
Add LikeResource

Made the userLikesActivity method return date of like relationship
instead of simple boolean.
Add Likes Resource

Changed getLikingUsers to getLikes, which now returns full activities.
This was done so that like objects could contain dates in meaningful
ways.
0.7.0 Release
Add total counts to collections

Add a totalItems property to ActivityStreamsCollection
Populate the value correctly for Streams, Feeds, Comments, Following,
Followers, and Likes.
Bump version to 0.8.0-SNAPSHOT
Include comments and likes

Include comments and likes when creating and retrieving activities.
Add getters and setters for replies and likes in the activity streams
object.
Make the JSON for all activities contain their entity ID.
Add Batch Follow
Prep for public release.

Add entityID and activityID to comments.
Fix incorrect skip and take (start and count).
Fix single like returned when count was zero.
Add version reporting to trace.
Bump to release version 1.0.0.