Fix Analyzer warning

Fix the following Analyzer warning:

```
ShareKit/Classes/ShareKit/Core/Helpers/SHKFile.m:257:5: Potential leak of an object stored into 'result'
```

By converting the `UTITypeForPath:` method into a "` Create`" function `CreateUTITypeForPath` as suggested here http://stackoverflow.com/a/8628172/1049134
Ease SHKActionSheet subclassing

* Use `[self alloc]` to allow correctly instantiating subclasses.
* Prefer `instancetype` to `id` (other code should also be updated)
DefaultSHKConfigurator: A better default appName implementation
Minor typo fix
Add `#pragma mark`'s to make it easier to navigate the class' code
Merge pull request #896 from rivera-ernesto/SHKActionSheet_subclassing

Ease SHKActionSheet subclassing
Merge pull request #897 from rivera-ernesto/DefaultSHKConfigurator_improvements

DefaultSHKConfigurator improvements
Merge pull request #894 from rivera-ernesto/fix_analyzer_warning

Fix Analyzer warning
BUGFIX: fixed more analyser warnings
Use SSToolKit 2.0.0
CLEANUP: Cleaned demo app configurator, removed comments to avoid confusion. These comments were not updated.
Removed SSToolKit dependency in favour of SAMTextView
REFACTORING: removed now obsolete SHKOneNoteRequest, fixed minor warning
Update ShareKit.podspec

updated google plus & youtube cocoapod dependencies
Add some missing japanese localization strings
Add missing PKMultipartInputStream Pod
Merge branch 'attempt-use-sstoolkit-2.0.0' of https://github.com/RafaelKayumov/ShareKit into RafaelKayumov-attempt-use-sstoolkit-2.0.0

Conflicts:
	.gitmodules
	ShareKit.xcodeproj/project.pbxproj
Update SSKeychain
Update Evernote-SDK-iOS
Fix pointer to BOOL conversion warnings