Bumped podspec version to 1.9.0
Minor performance optimization: Use compiler macros to skip checks within [DDLogMessage init] when compiling for newer OS versions.
Critical bug fix: The addLogger method should default to using a bit mask with all bits set. It should NOT use LOG_LEVEL_VERBOSE, which only has 5 bits set. Doing so would result in users not seeing log messages from 3rd party frameworks which use extended log levels or extra flags.
Changed the Build Active Architecture Only to NO
This is the simpliest way to solve when using lumberjack as a submodule and building it for cases like the app only supports armv7 and debugging on armv7s or arm64.
Merge pull request #294 from liviur/master

Changed the Build Active Architecture Only to NO
Do not reuse the last logfile if it was already archived
Merge pull request #295 from georgekola/master

Do not reuse the last logfile if it was already archived
Store NSDateFormatters in thread-attached storage to avoid wasteful + expensive recreation of these objects.
Adjust key used for formatter thread-attached storage
Once more - adjust naming convention for thread-safe dictionary keys
Merge pull request #296 from talko/formatter

Store NSDateFormatters in thread-attached storage to avoid wasteful + ex...
Replace hardcoded testing for availability to runtime testing for queues
Returning new instance correctly.
Merge pull request #301 from arturogutierrez/formatter_fix

Returning new instance correctly
Merge pull request #298 from liviur/master

Replace hardcoded testing for availability to runtime testing for queues
Bumped spec version to 1.9.1
DDFileLogger: adding `logFilesDiskQuota` property. Fixes #195
Merge pull request #303 from dvor/issue195--adding-logfiles-disk-quota

DDFileLogger: adding `logFilesDiskQuota` property. Fixes #195
Renamed README.markdown to README.md
Updated spec format (just like AFNetworking)