Add ability to select target language in TranslationHome
Format money values to not have a billion zeros
Add padding to translation and note list views

* Remove placeholder colors from note_details.xml
Edit AddPhraseDialog.java to have a viewOnly mode

* In viewOnly mode, only the phrase and its translation for the selected language are visible
Add deleteMode in TranslationListFragment.java

* Add ability to delete translations in TranslationDataSource.java
Add currency label to purchases list
Add Camera functionality to purchase details

Does not save picture or anything else yet.
Boy Howdy, do those note pictures work!
Make the image in note details less tiny
Fix pic resizing, handle canceled camera intent
Fix null reference exception when attempting to view a category with no phrases

* Change getTranslationsByCategory method in TranslationDataSource.java to return an empty list instead of null
* Display toast when user views a category with no phrases