Added retreival of additional metadata from image pool
Description is optional

Description is an optional parameter. Do not update it if it does not exist. Closes issue #7
Fixed geenration of OCCI ID according to rOCCI rules

Closes bug #6
Added possibility to setup resource_tpl and os_tpl schema

Added the possibility to setup, for the OpenNebula driver, custom resource_tpl
and os_tpl resources schema. Resource_tpl schema is also taken by default from
the rocci configuration.
Fix PEP8 errors

This big patch should fix the overall PEP8 errors in the code
Fix rOCCI ID build rules

Closes #8 (Thank Boris)
Removed old scripts
Bump to version 0.3
Fix resource template name

Resource template name according to occi-os is always lower case
Fixed switched CPU <-> Memory in resource_tpls
Merge pull request #9 from arax/resource_tpl_fix

[OpenNebulaRocci] Fixed switched CPU <-> Memory in resource_tpls
PEP8 - remove W191: indentation with tabs
PEP8 - remove E701: multiple statements in one line
PEP8 - E111: indentation not a multiple of four

This indentation made me cry
PEP8 - E2XX: whitespace
PEP8 - E12X: indentation errors
PEP8 - blank lines
Remove commented blocks
PEP8 - Remove some long lines
Use a better condition