Updated Requirements section in download pages to make clear that JDK 7 is **not** supported.

Author: dotta

_includes/current-download-requirements.txt

@@ -1,4 +1,4 @@
-* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html) or [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase6-419409.html).
+* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html) or [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase6-419409.html) (JDK 7 is not supported).
 
 * Eclipse, including the JDT. Either "Eclipse Classic" or "Eclipse for Java Developers" is sufficient.
 	* Scala IDE is *officially* supporting [Eclipse 3.6 (Helios)](http://www.eclipse.org/downloads/packages/release/helios/sr2).

_includes/nightly-20x-download-requirements.txt

@@ -1,4 +1,4 @@
-* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html) or [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase6-419409.html).
+* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html) or [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase6-419409.html) (JDK 7 is not supported).
 
 * Eclipse, including the JDT. Either "Eclipse Classic" or "Eclipse for Java Developers" is sufficient.
 	* Scala IDE is *officially* supporting [Eclipse 3.6 (Helios)](http://www.eclipse.org/downloads/packages/release/helios/sr2).

_includes/nightly-21-download-requirements.txt

@@ -1,4 +1,4 @@
-* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html), [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-arch
-ive-downloads-javase6-419409.html) or the latest [JDK 7](http://www.oracle.com/technetwork/java/javase/downloads/index.html).
+* [JDK 5](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-javase5-419410.html) or [JDK 6](http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-arch
+ive-downloads-javase6-419409.html) (JDK 7 is not supported).
 
 * [Eclipse 3.7 (Indigo)](http://www.eclipse.org/downloads/), including the JDT. Either "Eclipse Classic" or "Eclipse for Java Developers" is sufficient. (It can also be installed on Eclipse 3.6, but it may not work perfectly.)

download/nightly.md

@@ -4,7 +4,7 @@ title: Download the Latest Nightly Build
 ---
 
 # Scala IDE Helium, Nightly
-*Helium* is the codename of the future release of the Scala IDE. If you like staying on the cutting edge, make sure to install this nighlty.
+*Helium* is the codename of the Scala IDE's next release. If you like staying on the cutting edge, make sure to install this nighlty.
 
 ## New Features
 {% include nightly-download-features.txt %}