Performance Optimisations

[p-a-s-c-a-l]

Improve overall performance by using several caching and optimisation techniques.
Improve performance when switching between views (maps, list, details) by remembering the view's state.

• use ngRouter's 'stick states' to vaois re-initilaisation of view controllers when the route changes (/map /list/ object).
• add HTTP Headers related to caching, e.g. "If-Modified-Since" or etags
• minify CSS and JavaScript Code
• use Content Delivery Networks (CDN) to load external, libraries
• ...