I don't know what happened with the launcher but this is what I know

Bootstrap (v5)
Current time is Feb 1, 2015 6:59:20 PM
System.getProperty('os.name') == 'Mac OS X'
System.getProperty('os.version') == '10.8.5'
System.getProperty('os.arch') == 'x86_64'
System.getProperty('java.version') == '1.6.0_65'
System.getProperty('java.vendor') == 'Apple Inc.'
System.getProperty('sun.arch.data.model') == '64'

Found cached update
Renaming /Users/jeferdancheta/Library/Application Support/minecraft/launcher.pack.lzma.new to /Users/jeferdancheta/Library/Application Support/minecraft/launcher.pack.lzma
Renamed successfully.
Looking for update
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma
Didn't find an update in time.
Reversing LZMA on /Users/jeferdancheta/Library/Application Support/minecraft/launcher.pack.lzma to /Users/jeferdancheta/Library/Application Support/minecraft/launcher.pack
Got reply in: 4134ms
FATAL ERROR: net.minecraft.bootstrap.FatalBootstrapError: Unable to un-lzma: LZMA.LzmaException: LZMA : Data Error
at net.minecraft.bootstrap.Bootstrap.unpack(Bootstrap.java:146)
at net.minecraft.bootstrap.Bootstrap.execute(Bootstrap.java:123)
at net.minecraft.bootstrap.Bootstrap.main(Bootstrap.java:381)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at apple.launcher.LaunchRunner.run(LaunchRunner.java:116)
at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:51)
at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)

Please fix the error and restart.
Exception: java.net.SocketTimeoutException: Read timed out
Downloading: https://s3.amazonaws.com/Minecraft.Download/launcher/launcher.pack.lzma (try 2/10)
Got reply in: 3917ms