Add some null checks
Merge for retab
Retab changes for PR #2158
Merge pull request #13 from tabassassin/retab/pr/2158

Retab/pr/2158
Delete Content-Length duplicate header
Add ZDI references to reference.rb
Update modules to use new ZDI reference
Update msftidy to check new ZDI reference
Delete duplicate content-length from axis2_deployer
Show full path instead of just the basename

Since @todb-r7 and I hate having to use find. :/
Land #2560, ZDI references

[FixRM #8513]
Land #2158 - Fix NoMethodError undefined method `split' for nil:NilClass
Land #2559 - remove content-length
Land #2565 - Show full path in msftidy