GUI-1056: Link to contributing translations wiki page in readme
Merge pull request #771 from eucalyptus/GUI-1056

GUI-1056: Link to contributing translations wiki page in readme
GUI-1065: Add missing i18n:translate and i18n:domain attributes

- Also expands Spanish translation coverage a bit
GUI-1065: Add missing i18n:domain attributes and remove stray i18n:translate tags
Merge pull request #773 from eucalyptus/GUI-1065

GUI-1065: More i18n fixes
Merge branch 'develop' into GUI-1055

Conflicts:
	eucaconsole/locale/de/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/de/LC_MESSAGES/eucaconsole.po
	eucaconsole/locale/en/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/en/LC_MESSAGES/eucaconsole.po
	eucaconsole/locale/es/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/es/LC_MESSAGES/eucaconsole.po
	eucaconsole/locale/eucaconsole.pot
	eucaconsole/locale/fr/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/fr/LC_MESSAGES/eucaconsole.po
	eucaconsole/locale/it/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/it/LC_MESSAGES/eucaconsole.po
	eucaconsole/locale/ru/LC_MESSAGES/eucaconsole.mo
	eucaconsole/locale/ru/LC_MESSAGES/eucaconsole.po