Merge branches 'hotfix-1.6.1' and 'master'
Merge branches 'release-1.7' and 'master'
Update src/com/face4j/facebook/http/APICaller.java

The file face4j.properties is not required. If it is not present, then proxy parameters are not needed.
Merge pull request #22 from alefq/patch-1

Update src/com/face4j/facebook/http/APICaller.java
bumping to 1.7.1
Merge branches 'hotfix-1.7.1' and 'develop' into develop
Merge branches 'hotfix-1.7.1' and 'master'
adding the new jar
Merge branches 'hotfix-1.7.1' and 'develop' into develop