Merge pull request #135 from iv-mexx/master

Updated german localization: Abbreviated Tag and Tagen
use NS_ENUM for TTTArrayFormatter, TTTUnitOfInformationFormatter
Merge pull request #136 from adly-holler/master

use NS_ENUM for TTTArrayFormatter, TTTUnitOfInformationFormatter
Cleaning up minor compiler warnings:

TTTLocationFormatter.m:200:30: Multiple methods named 'objectForKey:' found
TTTNameFormatter.m:41:50: Semicolon before method body is ignored
Merge pull request #137 from hsoi/minor-compiler-cleanups

Cleaning up minor compiler warnings:
Whitespace
[Issue #138] Fixing calculation of idiomatic time interval stemming from week calculation
Bumping version to 1.7.1
[Issue #139] Fix time interval calculation involving weeks.
Cleans up the 'significantUnits' property.

(Changes it from a NSUInteger to a NSCalendarUnit.)
Merge pull request #141 from sstigler/clean-up-use-of-nscalendarunit-enum

Cleans up the 'significantUnits' property.
Merge pull request #140 from scraton/master

[Issue #139] Fix time interval calculation involving weeks.
Bumping version to 1.7.2
Add Italian idiomatic time expressions
Merge pull request #143 from VivienCormier/master

Add Italian idiomatic time expressions
Alphabetizing locale check for localizedIdiomaticDeicticExpressionForComponents
Bumping version to 1.7.3
Updated Readme: pre_install hook has been removed from cocoapods in version 0.33, so the command for "Removing Unused Localizations" has to be adapted