AESH-253

improvements

comment removed

assert and baos.reset added

removing lineSeparator after yes answer
Merge pull request #25 from eprogramming/AESH-253

[AESH-253]
AESH-262
Merge pull request #26 from eprogramming/AESH-262

AESH-262
AESH-264

bug fix on mkdir and some others tests refactor

mkdir improvement and checktyle fixes
Merge pull request #27 from eprogramming/AESH-264

AESH-264