Cleanup older changelog entries

CHANGELOG.md

@@ -76,8 +76,8 @@
 
 ## Version 2.1.4 (February 19, 2013)
 
-* Fixed fatal error in Recurly_Invoice::getInvoicePdf().
-* Fixed fatal error in Recurly_Account::close().
+* Fixed fatal error in `Recurly_Invoice::getInvoicePdf()`.
+* Fixed fatal error in `Recurly_Account::close()`.
 * Added `reopen()` and `reopenAccount` to `Recurly_Account`.
 
 ## Version 2.1.3 (February 8, 2013)
@@ -126,10 +126,10 @@ NOTE: Recurly.js signature and result retrieval is not backwards compatible with
 ## Version 2.0.5 (November 20, 2011)
 
 * Always send list of addons when performing a subscription update.
-* Fixed URL for Recurly_CouponRedemption::get().
-* Added Recurly_TransactionList::getForAccount().
-* Add coupon redemption via $coupon->redeemCoupon('account_code').
-* Properly encode plan_codes when limiting coupons to specific plans.
+* Fixed URL for `Recurly_CouponRedemption::get()`.
+* Added `Recurly_TransactionList::getForAccount()`.
+* Add coupon redemption via `$coupon->redeemCoupon('account_code')`.
+* Properly encode `plan_codes` when limiting coupons to specific plans.
 
 ## Version 2.0.4 (November 16, 2011)
 
@@ -138,12 +138,12 @@ NOTE: Recurly.js signature and result retrieval is not backwards compatible with
 
 ## Version 2.0.3 (November 9, 2011)
 
-* Use rawurlencode() instead of urlencode() to create resource URLs. Required for URLs that contain spaces
-* Raise Recurly_ValidationError for 422 instead of Recurly_RequestError. Bug introduced in earlier commit today
+* Use `rawurlencode()` instead of `urlencode()` to create resource URLs. Required for URLs that contain spaces
+* Raise `Recurly_ValidationError` for 422 instead of `Recurly_RequestError`. Bug introduced in earlier commit today
 
 ## Version 2.0.2 (November 9, 2011)
 
-* Fix Recurly_InvoiceList::getForAccount(), SubscriptionList::getForAccount()
+* Fix `Recurly_InvoiceList::getForAccount()`, `SubscriptionList::getForAccount()`
 * Interpret 4xx as request errors and 5xx as server errors for future error codes
 
 ## Version 2.0.1 (November 2, 2011)
@@ -153,7 +153,7 @@ NOTE: Recurly.js signature and result retrieval is not backwards compatible with
 Merged fixes from [beaudesigns](https://github.com/beaudesigns):
 
 * Replaced static class to DomDocument::loadXML()
-* "pending_subscription" now loads class Recurly_Subscription
+* "pending_subscription" now loads class `Recurly_Subscription`
 * Fixed references to $this that should have been local scopes
 
 ## Version 2.0.0 (October 18, 2011)