refactored logging such that predefined messages are replaced by utility functions or inlined in logger calls
Merge pull request #139 from LinguList/master

Adding tests for all alignment methods and the sound class module
make clear that functions expect unicode text as input.
Merge branch 'master' into logging
Merge pull request #140 from xrotwang/fixunicode

make clear that functions expect unicode text as input.
update
Merge remote-tracking branch 'upstream/master'
fixes #141
converted many prints to logging calls; refactor more file access operations to use shared utility function.
Merge pull request #142 from xrotwang/logging

Refactored prints into logging calls and file access to use shared utility functions
resolve conflict
fixing issue in rc(verbose=True) setting