Implement document conversion ODF and PDF using Jodconverter - refs BT#8274
Add icons - refs BT#8274
Update to avoid save plugins configuration in session and do not refresh it - refs BT#8274
Update document scripts to fix convertion issues and PHP warnings - refs BT#8274
Minor - Code style. Add Documentation and removed unused code - refs BT#8274
Merge pull request #411 from danbarretodev/BT8274

Complete WebODF feature - refs BT#8274