Update serviio.php

Amended transcoding functions (getTranscoding, putTranscoding) to follow API 1.2.
Update serviio.php

- Removed function getProfiles (functionality now in getReferenceData)
- Removed function getDescriptiveMetadataExtractors (functionality now in getReferenceData)
- Removed function getBrowsingCategoriesLanguages (functionality now in getReferenceData)
- Removed function getCpuCores (functionality now in getReferenceData)
- Removed function getCategoryVisibilityTypes (functionality now in getReferenceData)
- Removed function getProfiles (functionality now in getReferenceData)
- Added function getReferenceData (Serviio API 1.2)
- Renamed function getTranscoding to getDelivery
- Renamed function putTranscoding to putDelivery
- Updated function getDelivery to include subtitle values with reference to Serviio API 1.2
- Updated function putDelivery to include subtitle values with reference to Serviio API 1.2
- Updated function getStatus to serve boundNICName instead of IP (Serviio API 1.2)
- Updated function putStatus to save boundNICName instead of IP (Serviio API 1.2)
- Updated function getRemoteAccess to serve portMappingEnabled and externalAddress with reference to Serviio API 1.2
- Updated function putRemoteAccess to save portMappingEnabled and externalAddress with reference to Serviio API 1.2
Update index.php

- Removed functionality to add new renderers (Serviio API 1.2)
- Included errorCodes in messages dicplayed after button press if <>0 (Serviio API 1.2)
- Changed transcoding tab to delivery tab
- Amendments to include changes to delivery and remote tab
Unified button layout in about.php
Update library.php

- Unified button layout
- Variable $accesses now gets data from getReferenceData
- Variable onlineContentPreferredQuality now gets data from getReferenceData
- Introduced onlineFeedTypes with variable $feedTypes which now gets data from getReferenceData
Update metadata.php

- Unified button layout
- Variable $descriptiveMetadataExtractors now gets data from getReferenceData
- Variable $metadataLanguages replaces $getBrowsingCategoriesLanguages and now gets data from getReferenceData
Update presentation.php

- Unified button layout
- Variable $categoryVisibilityTypes now gets data from getReferenceData
- Variable $browsingCategoriesLanguages now gets data from getReferenceData
Update remote.php

- Unified button layout
- Added enable port mapping checkbox, external address and check port mapping button
- Variable $quality now gets data from getReferenceData
Update settings.php

- Unified button layout
Update status.php

- Unified button layout
- Changes variable $ip to $interfaces which now gets data from getReferenceData
- Variable $accesses now gets data from getReferenceData
- Variable $profiles now gets data from getReferenceData
- Removed functionality to add new renderers (Serviio API 1.2)
Update metadata.php

- Added variable $descriptiveMetadataExtractors to fetch descriptiveMetadataExtractors from getReferenceData
- Added variable $metadataLanguages to fetch metadataLanguages from getReferenceData
Update library.php

- Added variable $accesses to fetch accessGroups from getReferenceData
- Added variable $onlineQuality to fetch onlineContentQualities from getReferenceData
- Added variable $feedTypes to fetch onlineRepositoryTypes from getReferenceData
Update presentation.php

- Added variable $categoryVisibilityTypes to fetch categoryVisibilityTypes from getReferenceData
- Added variable $browsingCategoriesLanguages to fetch browsingCategoriesLanguages from getReferenceData
Update remote.php

- Added variable check to see if port mapping should be checked
- Amendments to take port mapping enabled and external address into account (Serviio API 1.2)
- Added variable $quality to fetch remoteDeliveryQualities from getReferenceData
Update status1.php

- Changed variable $ip to $bound_nic
Update status.php

- Changed varialbe $ip to $bound_nic
- Added variable $accesses to fetch accessGroups from getReferenceData
- Added variable $profiles to fetch profiles from getReferenceData
- Added variable $interfaces to fetch networkInterfaces from getReferenceData
Update status2.php

- Changed varialbe $ip to $bound_nic
- Added variable $accesses to fetch accessGroups from getReferenceData
- Added variable $profiles to fetch profiles from getReferenceData
- Added variable $interfaces to fetch networkInterfaces from getReferenceData
Update content.php

- Changed tab name from transcoding to delivery
Added subtitle variables, changed numberOfCPUCores
Added subtitle variables