Neo4JConvertor(test):Fixed some issues regarding Conversion of Neo4J csv to rdf

[AvinashRatnam608]

Fixed some issues regarding multi line queries in the Neo4J CSV.
Also enabled ability to log errors using glog.Error().

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This change is 

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[NamanJain8]

Reviewable status: 0 of 1 files reviewed, 4 unresolved discussions (waiting on @ahsanbarkati, @AvinashRatnam608, @jarifibrahim, @manishrjain, and @vvbalaji-dgraph)

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Neo4JConvertor.go, line 2 at r1 (raw file):

package main

Add license.

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Neo4JConvertor.go, line 23 at r1 (raw file):

	inputPath  = flag.String("input", "", "Please provide the input csv file.")
	outputPath = flag.String("output", "", "Where to place the output?")
)

We use viper for comand line options. We should use the same here too for consistency.

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Neo4JConvertor.go, line 106 at r1 (raw file):

		records, err := d.ReadAll() //removed err
		//fmt.Println("Testest1")
		//check(err)

Let's remove the comments once it is ready to merge.

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Neo4JConvertor.go, line 203 at r1 (raw file):

	}
}
func check(err error) {

We can use x.Check()

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