dfs.c: delete the redunant space in the line end.
dfs_fs.c: optimized redundant loop.
strip more characters in finsh token
Merge pull request #78 from BernardXiong/master

strip more characters in finsh token.
Merge pull request #70 from geniusgogo/dfs-fixbug

Dfs clean and optimized code
fix the wrong strcpy issue in list() function
fix compiling warning in finsh shell
Use SRAM as EMAC transmit buffer, to avoid the underrun error, especially in the large amount of data communication.
Merge pull request #79 from weety/at91sam9260

Use SRAM as EMAC transmit buffer, to avoid the underrun error, especiall...