[MCL-249] Minecraft Launcher gives this error in dev console, and doesn't list any versions of Minecraft

Unexpected exception refreshing version list
com.google.gson.JsonSyntaxException: 2013-04-24T11:51:24+02:00
	at com.google.gson.internal.bind.DateTypeAdapter.deserializeToDate(DateTypeAdapter.java:81)
	at com.google.gson.internal.bind.DateTypeAdapter.read(DateTypeAdapter.java:66)
	at com.google.gson.internal.bind.DateTypeAdapter.read(DateTypeAdapter.java:41)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
	at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:40)
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:81)
	at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:60)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172)
	at com.google.gson.Gson.fromJson(Gson.java:795)
	at com.google.gson.Gson.fromJson(Gson.java:761)
	at com.google.gson.Gson.fromJson(Gson.java:710)
	at com.google.gson.Gson.fromJson(Gson.java:682)
	at net.minecraft.launcher.updater.VersionList.refreshVersions(VersionList.java:76)
	at net.minecraft.launcher.updater.VersionManager.refreshVersions(VersionManager.java:41)
	at net.minecraft.launcher.Launcher$2.run(Launcher.java:162)
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
	at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.text.ParseException: Unparseable date: "2013-04-24T11:51:24+02:00"
	at java.text.DateFormat.parse(Unknown Source)
	at com.google.gson.internal.bind.DateTypeAdapter.deserializeToDate(DateTypeAdapter.java:79)
	... 22 more

Delta time to compare resources: 32813 ms 
Download job 'Resources' started (8 threads, 1 files)
Finished downloading C:\Documents and Settings\Susan\Application Data\.minecraft\assets\READ_ME_I_AM_VERY_IMPORTANT for job 'Resources': Downloaded successfully and etag matched
Job 'Resources' finished successfully