FIX: compute undetermined cluster estimation percent, now use sum value
on raw cluster estimation, only only one lane.
CHANGE: replace checkstyle_google by checkstyle for static analysis.
UPDATE: error message when check configuration file fail. Add case who
useful directories are unaccessible.
UPDATE: javadoc and clean code.
UPDATE: constructor collection classes by use java7 library instead
guava.
ADD: missing header file.
"Aozan is now 1.3.2"
"Aozan is now 1.3.3-SNAPSHOT"