Add DateStringCompat class for some HTC devices bug.

- Some HTC devices return wrong formatted text from DateFormat.
  ex. DateFormat.format("MM月DD日", new Date("2013/1/25"))
    => expected:<01月25[日]> but was:<01月25[]>
  So we should use SimpleDateFormat as a workaround for this bug at present.
Merge pull request #4 from takiguchi0817/add_text_DateStringCompat

Add DateStringCompat class for some HTC devices bug.
Update readme markdown document
Merge pull request #5 from KeithYokoma/master

Readmeの拡充
Add device-specific compatibility for felica feature

- Detection of felica push availability
Move tests to the identical namespace with main project
Merge pull request #7 from KeithYokoma/feature/FeliCa

Add device-specific compatibility for felica feature
Merge pull request #8 from KeithYokoma/feature/ReplaceTest

Move tests to the identical namespace with main project
Pictures ディレクトリがない機種があるので再帰的に掘るようにした。
Merge pull request #9 from slumbers99/mkdir-feature

Make directory recursively for a device that doesn't have 'Pictures' directory.

Pictures ディレクトリがない機種があるので再帰的に掘るようにした。
Add contributing statement on read me
Introduce ExifInteface bug fixture.
Merge pull request #10 from KeithYokoma/feature/AdditionalReadme

Add contributing statement on read me
Merge pull request #11 from KeithYokoma/feature/ExifInterfaceCompat

Introduce bug fixture of ExifInteface initialization
Additional information about requirements into README
Merge pull request #12 from KeithYokoma/master

Put additional information about requirements into README
Introduce workaround for WebView#loadData() bug.

- OS version compatibility.
- The bug can be arised at least 2.3 or earlier.
Merge pull request #13 from KeithYokoma/feature/WebViewCompatLoadData

Introduce workaround for WebView#loadData() bug.