Some fixes to ocsreports for compatibility with recent PHP versions.
Renamed method getGroups() to getGroupMemberships().
Added individual configuration for computers and groups.
Fixed indentation.
Fixed incorrect default config calculation.
Cache data from getConfig() and getDefaultConfig().
Fixed incorrect Docblock.
Fixed calculation of default value for InventoryInterval.
Display effective configuration settings for computers.
Added .gitignore file.
Removed workarounds no longer required by latest phpdoc.