Merge pull request #47 from kikkomep/develop

Travis configuration fixes + other minor fixes
Merge pull request #48 from kikkomep/develop

Fix the jpype hdfs backend with Hadoop 1.0.4
FIX: support maprfs (hadoop client hadoop-2.4.1) URL scheme which leaded pydoop to try to locate on the local filesystem and add a seek(0) to make file reading work
Merge pull request #51 from darkweaver87/develop

FIX: support maprfs (hadoop client hadoop-2.4.1) URL scheme which leaded...
Fixed random test thread count.
Merge pull request #52 from elzaggo/develop

Fixed random test thread count.
Fixes the hadoop error: 'memory is running beyond virtual memory limits'.