Commit from svn rev 254.
Minor fix on gitignore.
Improve the searching path of the amazon AwsCredentials.properties file.
Apply the new clobaframe-io.
Update some dependencies version.
Change the unit of content-length from KB to Byte.
Update the SpringFramework dependency version.
Update the amazon web service dependency lib.
Add the functions argument checking.
Minor fix the sent mail agent exception.
Minor improve on pom.xml
Add javac checking compile script.
Simplified the clobaframe modules.

Signed-off-by: Hippo Spark <hippospark@gmail.com>
Update Apache commons dependencies.
Minor fix.
Minor fix on README.
Merge remote-tracking branch 'github/master'