Builder.java throws a NullPointerException trying to copy non-exisitent craftbukkit jar when the --compile NONE flag is set for --rev 1.8 at the end of the build.

Exception in thread "main" java.lang.NullPointerException
 at org.spigotmc.builder.Builder.copyJar(Builder.java:680)
 at org.spigotmc.builder.Builder.main(Builder.java:621)
 at org.spigotmc.builder.Bootstrap.main(Bootstrap.java:40) 

To reproduce, use the following steps:

1. Create a new test folder and copy BuildTools.jar build 105 into the folder
2. Execute the command: 

   java -jar BuildTools.jar --rev 1.8 --compile NONE

Log file is here: https://paste.md-5.net/emulinejes.sql since attachment is not working (Jira could not attach the file as there was a missing token. Please try attaching the file again.)

Notes:

1. Running the following does work:

java jar BuildTools.jar --rev 1.8

1. Tested with --rev 1.8.8 and same error.
2. Tested with --rev 1.12.2 and same error.
3. Tested with --rev 1.13.2 (toolsVersion: 93) and same error.
4. Tested with --rev 1.14.4 (toolsVersion: 101) and the error DID NOT occur.

Analysis:

Builder.java:618 does not check on older tool versions if compile is set to NONE.

if ( versionInfo.getToolsVersion() < 101 || ( versionInfo.getToolsVersion() > 104 && compile.contains( Compile.CRAFTBUKKIT ) ) )

should probably be...

if ( versionInfo.getToolsVersion() < 101 && !compile.contains( Compile.NONE) || ( versionInfo.getToolsVersion() > 104 && compile.contains( Compile.CRAFTBUKKIT ) ) )