Add new Translation Memory Services.

Add new services for deleting and uploading TMs.
Add getTranslationMemory
Add getTranslationMemory
Merge branch 'tm-import' of github.com:zanata/zanata-api into tm-import

Conflicts:
	zanata-common-api/src/main/java/org/zanata/rest/service/TranslationMemoryResource.java
Merge branch 'tm-import' into integration/master