File location check doesn't work

[olgamelnichuk]

java -Defo.cachedir=/tmp -Dchecker.debug=true -jar magetabcheck-1.5.jar http://www.ebi.ac.uk/arrayexpress/files/E-MTAB-868/E-MTAB-868.idf.txt

returns 10 errors:
[ERROR] E-MTAB-868.sdrf.txt@(2, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(5, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(6, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(8, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(11, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(12, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(15, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(17, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(18, 23) Name of an array data node must be a valid file location
[ERROR] E-MTAB-868.sdrf.txt@(21, 23) Name of an array data node must be a valid file location

[olgamelnichuk]

If the file path is not local, then we need to skip this check..