Profilestore should be completely bilingual for Microgrid Market

Currently the profile store's web interface is a mixture of German and English. This should be improved and the web interface should be presented in either English or German depending on the user browser's language preference.

All Profile Store text need to be translated into DE and EN for Microgrid Market

All Profile Store text need to be translated into DE and EN. Furthermore all hard-coded text elements in all views have to be replaced by <g:message code="xx.yy.zz" /> tags