Planet added (OGLE-2008-BLG-355L)

http://arxiv.org/pdf/1403.7005v1.pdf
Rename OGLE-2008-BLG-355L to OGLE-2008-BLG-355L.xml
Merge pull request #160 from jaroslavmerc/patch-4

Planet added (OGLE-2008-BLG-355L)