[CARBONDATA-1236] Support absolute path without scheme in loading

[dhatchayani]

While giving the raw data in LOAD command, the path should be with the scheme like hdfs:// , viewfs:// etc. with this improvement the data path can be absolute path without the scheme. data path for load data and pre-created dictionary data are improved here.

[asfgit]

Can one of the admins verify this patch?

[CarbonDataQA]

Build Failed with Spark 2.1.0, Please check CI http://136.243.101.176:8080/job/ApacheCarbonPRBuilder/2732/

[CarbonDataQA]

Build Failed with Spark 1.6, Please check CI http://144.76.159.231:8080/job/ApacheCarbonPRBuilder/157/

[dhatchayani]

retest this please

[asfgit]

Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/carbondata-pr-spark-1.6/660/

Failed Tests: 3

carbondata-pr-spark-1.6/org.apache.carbondata:carbondata-core: 3

• org.apache.carbondata.core.util.CarbonUtilTest.testToCheckAndAppendHDFSUrlWithBlackSlash
• org.apache.carbondata.core.util.CarbonUtilTest.testToCheckAndAppendHDFSUrlWithNull
• org.apache.carbondata.core.util.CarbonUtilTest.testToCheckAndAppendHDFSUrlWithNoBlackSlash

[CarbonDataQA]

Build Success with Spark 2.1.0, Please check CI http://136.243.101.176:8080/job/ApacheCarbonPRBuilder/2734/

[CarbonDataQA]

Build Success with Spark 1.6, Please check CI http://144.76.159.231:8080/job/ApacheCarbonPRBuilder/159/

[asfgit]

Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/carbondata-pr-spark-1.6/662/

[CarbonDataQA]

Build Success with Spark 2.1.0, Please check CI http://136.243.101.176:8080/job/ApacheCarbonPRBuilder/2735/

[asfgit]

Refer to this link for build results (access rights to CI server needed):
https://builds.apache.org/job/carbondata-pr-spark-1.6/663/

[gvramana]

LGTM