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【cn.php】
Obtain the loader that will load jquery and the client script
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【client.php】
Obtain the client script which includes javascripts of all addons
Which javascript gets loaded is solely determined by a fixed component algorithm.
We don't use any php files in pcf(php class files) to determin which 
javascript gets loaded.

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【server.php】
[init]
Load javascript of all templates
Load css of all templates
Load html of all templates

Load css of all addons
Load html of all addons

Load all php classes in pcf of all addons
Load all php classes in pcf of the templates

Execute run

[vote]
Load all php classes in pcf of all addons
Load all php classes in pcf of a particular template
Execute run