Just fixing spelling

Availability was spell wrong.
Updating NL localization

This is not 100% correct but i did my best to update it.
Merge pull request #616 from johnneijzen/patch-1

Just fixing spelling
Merge pull request #617 from johnneijzen/patch-3

Updating NL localization
send 1.6 + texture packs to the correct folder, bump version for new dev cycle
ADDED: Java version display to options tab
ADDED: Console error message if Java registry entries are not found at all
CHANGED: Allow launcher to allocate up to 1.5gb of ram on 32-bit systems with > 2.5gb ram
CHANGED: Use 192mb PermSize for MC 1.6 and up on 32-bit systems with > 2gb ram (64-bit systems already use 256mb here)
CHANGED: Use 192mb PermSize for MC 1.5 or lower on all systems with > 2gb ram
CHANGED: Moved shared code to check total OS memory from OptionsPane to OSUtils
Merge pull request #622 from Viper-7/master

Launcher memory usage changes
CHANGED: Moved 32-bit Java warning message to better align with the options pane
CHANGED: Updated 32-bit Java warning message to refer to the new 1.5gb limit
Merge pull request #623 from Viper-7/master

Minor tweaks to 32-bit warning message
ADDED: Display total/free system memory in the console log
ADDED: Console notification when a default PermSize is applied
derpdy derp typo
CHANGED: Only copy mods + configs from appdata on force update or version change
CHANGED: Fixed progress display of asset downloads
CHANGED: Don't re-download pack archives when the cached copy already matches the expected MD5
Merge pull request #624 from Viper-7/master

Fixes for downloading assets and pack archives
part 1 of preventing issues w/ bad/old login storage
login tweaks will be in next build of the launcher
FIXED: Packs not downgrading unless force update is selected
bump versions for next release
Merge pull request #625 from Viper-7/master

FIXED: Packs not downgrading unless force update is selected
FIXED: Offline mode on packs < 1.6
Merge pull request #626 from Viper-7/master

FIXED: Offline mode on packs < 1.6