Merge branch 'dev0.5.0' of https://github.com/fastnlp/fastNLP into dev0.5.0

test/data_for_tests/io/rte/dev.tsv

@@ -1,3 +0,0 @@
-index	sentence1	sentence2	label
-0	Dana Reeve, the widow of the actor Christopher Reeve, has died of lung cancer at age 44, according to the Christopher Reeve Foundation.	Christopher Reeve had an accident.	not_entailment
-1	Yet, we now are discovering that antibiotics are losing their effectiveness against illness. Disease-causing bacteria are mutating faster than we can come up with new antibiotics to fight the new variations.	Bacteria is winning the war against antibiotics.	entailment

test/data_for_tests/io/rte/test.tsv

@@ -1,3 +0,0 @@
-index	sentence1	sentence2
-0	Mangla was summoned after Madhumita's sister Nidhi Shukla, who was the first witness in the case.	Shukla is related to Mangla.
-1	Authorities in Brazil say that more than 200 people are being held hostage in a prison in the country's remote, Amazonian-jungle state of Rondonia.	Authorities in Brazil hold 200 people as hostage.

test/data_for_tests/io/rte/train.tsv

@@ -1,4 +0,0 @@
-index	sentence1	sentence2	label
-0	No Weapons of Mass Destruction Found in Iraq Yet.	Weapons of Mass Destruction Found in Iraq.	not_entailment
-1	A place of sorrow, after Pope John Paul II died, became a place of celebration, as Roman Catholic faithful gathered in downtown Chicago to mark the installation of new Pope Benedict XVI.	Pope Benedict XVI is the new leader of the Roman Catholic Church.	entailment
-2	Herceptin was already approved to treat the sickest breast cancer patients, and the company said, Monday, it will discuss with federal regulators the possibility of prescribing the drug for more breast cancer patients.	Herceptin can be used to treat breast cancer.	entailment