removed system calls and glob function in FileManager#14

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alexandre-melard wants to merge 4 commits intopunkave:masterfrom alexandre-melard:master

Commits on Nov 14, 2012

refactored file manager
Alexandre Melard
committed
augmented FileSystem class
Alexandre Melard
committed
reverted FileManager
Alexandre Melard
committed
FileManagerSF2: use augmented FileSystem
Alexandre Melard
committed