Fixed two issues:

- jawi#125: add 'jna.nosys=true' as system property will prevent JNA
  from using any system-installed JNA libraries;
- jawi#140: add more advanced search for Java binaries on Windows
  (should work on Windows8 as well).

ols.distribution/src/main/resources/run.bat

@@ -1,25 +1,39 @@
 @echo off
 
-rem Check whether the "magic" Java binary is available...
-java -version > NUL 2> NUL
+:findJavaSimple
+rem Simple check to see whether the "magic" Java binary is available on our path;
+rem based on <http://stackoverflow.com/questions/4681090/how-to-find-where-is-jdk-installed-on-my-windows-machine>
+for %i in (java.exe) do set JavaPath=%~$PATH:i
+%JavaPath% -version > NUL 2> NUL
+if errorlevel 1 goto findJavaAdvanced
+goto setup
+
+:findJavaAdvanced
+rem See <https://github.com/jawi/ols/issues/140>
+for /F "tokens=2*" %%A in ('REG QUERY "HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{5852F5E0-8BF4-11D4-A245-0080C6F74284}\1.0\HELPDIR" /ve') do set JavaPath="%%B\javaw.exe"
+%JavaPath% -version > NUL 2> NUL
 if errorlevel 1 goto noJVM
+goto setup
+
+:noJVM
+echo It appears that Java is not installed on this computer. You
+echo should download and install the latest JRE.
+prompt
+exit 1
 
+:setup
 rem determine the location this script is run in...
 set BASEDIR=%~dp0
 rem all paths are used relatively from the base dir...
 set PLUGINDIR=%BASEDIR%\plugins
 set CLASSPATH=.;%BASEDIR%\bin\*
+rem give the client roughly 1gigabyte of memory 
 set MEMSETTINGS=-Xmx1024m
+rem <https://github.com/jawi/ols/issues/125>
+set SYSPROPS=-Djna.nosys=true -Dnl.lxtreme.ols.bundle.dir="%PLUGINDIR%" -DPlastic.defaultTheme=SkyBluer
 
 rem For now, use the "console enabled" java for Windows...
-java %MEMSETTINGS% -Dnl.lxtreme.ols.bundle.dir="%PLUGINDIR%" -DPlastic.defaultTheme=SkyBluer -cp "%CLASSPATH%" nl.lxtreme.ols.runner.Runner
-goto end
-
-:noJVM
-echo It appears that Java is not installed on this computer. You
-echo should download and install the latest JDK.
-prompt
-exit 1
+java %MEMSETTINGS% %SYSPROPS% -cp "%CLASSPATH%" nl.lxtreme.ols.runner.Runner
 
 :end
 exit 0

ols.distribution/src/main/resources/run.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Check whether the "magic" Java binary is available...
+rem Simple check to see whether the "magic" Java binary is available on our path;
 java -version 1>/dev/null 2>&1
 if [ "$?" -ne "0" ]; then
   echo It appears that Java is not installed on this computer. You
@@ -13,6 +13,9 @@ BASEDIR=$(dirname -- "${0}")
 # all paths are used relatively from the base dir...
 PLUGINDIR=$BASEDIR/plugins
 CLASSPATH=$BASEDIR/bin/*
+rem give the client roughly 1gigabyte of memory 
 MEMSETTINGS=-Xmx1024m
+rem <https://github.com/jawi/ols/issues/125>
+SYSPROPS=-Djna.nosys=true -Dnl.lxtreme.ols.bundle.dir="$PLUGINDIR" -DPlastic.defaultTheme=SkyBluer
 
-java $MEMSETTINGS -Dnl.lxtreme.ols.bundle.dir="$PLUGINDIR" -DPlastic.defaultTheme=SkyBluer -cp "$CLASSPATH" nl.lxtreme.ols.runner.Runner
+java $MEMSETTINGS $SYSPROPS -cp "$CLASSPATH" nl.lxtreme.ols.runner.Runner