Bukkit/CraftBukkit — pull request #1305 by ams2990 (2013-12-26 04:53:20+00:00)
Title: [C] Fix Piston Behavior. Fixes BUKKIT-2287, BUKKIT-3523, and BUKKIT-3529

#### Title
[PR Type] Brief summary. Fixes BUKKIT-####
PR Type can be B for Bukkit, C for CraftBukkit, B+C for a PR in both sides

**Title Example:**
[B+C] Provide an example commit for CONTRIBUTING.md. Fixes BUKKIT-1

#### Description:
##### The Issue:
Paragraphs explaining what the issue the PR is meant to be addressing.

##### Justification for this PR:
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##### PR Breakdown:
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##### Testing Results and Materials:
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##### Relevant PR(s):
[CB-1145](https://github.com/Bukkit/CraftBukkit/pull/1145) - Changed when data was set, which doesn't help if a lever causes the extension event

##### JIRA Tickets:
[BUKKIT-2287]https://bukkit.atlassian.net/browse/BUKKIT-2287)
[BUKKIT-2287]https://bukkit.atlassian.net/browse/BUKKIT-2287)

##### Pull Request Check List (For Your Use):

**General:**

- [ ] Fits Bukkit's Goals
- [ ] Leaky Ticket Ready
- [ ] Code Meets Requirements
- [ ] Code is Documented
- [ ] Code Addresses Leaky Ticket
- [ ] Followed Pull Request Format
- [ ] Tested Code
- [ ] Included Test Material and Source

**If Applicable:**

- [ ] Importing New Minecraft Classes In Special Commit
- [ ] Follows Minimal Diff Policy
- [ ] Uses Proper CraftBukkit Comments
- [ ] Imports Are Ordered, Separated and Organised Properly