CRAN Release 0.1.1

Initial CRAN-compliant release based on STARSPACE-2017-2.
Allowing low-level Starspace model building and higher level model building, functionalities and apps, namely:

Function	Functionality
starspace	Low-level interface to build a Starspace model
starspace_load_model	Load a pre-trained model or a tab-separated file
starspace_save_model	Save a Starspace model
starspace_embedding	Get embeddings of documents/words/ngrams/labels
starspace_knn	Find k-nearest neighbouring information for new text
starspace_dictonary	Get words/labels part of the model dictionary
predict.textspace	Get predictions along a Starspace model
as.matrix	Get words and label embeddings
embedding_similarity	Cosine/dot product similarity between embeddings - top-n most similar text
embed_wordspace	Build a Starspace model which calculates word/ngram embeddings
embed_sentencespace	Build a Starspace model which calculates sentence embeddings
embed_articlespace	Build a Starspace model for embedding articles - sentence-article similarities
embed_tagspace	Build a Starspace model for multi-label classification
embed_docspace	Build a Starspace model for content-based recommendation
embed_pagespace	Build a Starspace model for interest-based recommendation
embed_entityrelationspace	Build a Starspace model for entity relationship completion