added some doc about STATIC_PAGES
added some doc about STATIC_PAGES

Conflicts:
	docs/settings.rst

douglaskastle/pelican,ls2uper/pelican,lazycoder-ru/pelican,HyperGroups/pelican,catdog2/pelican,gymglish/pelican,iKevinY/pelican,janaurka/git-debug-presentiation,farseerfc/pelican,eevee/pelican,alexras/pelican,lucasplus/pelican,ingwinlu/pelican,deved69/pelican-1,liyonghelpme/myBlog,UdeskDeveloper/pelican,sunzhongwei/pelican,ehashman/pelican,fbs/pelican,btnpushnmunky/pelican,rbarraud/pelican,getpelican/pelican,douglaskastle/pelican,simonjj/pelican,iKevinY/pelican,karlcow/pelican,treyhunner/pelican,JeremyMorgan/pelican,catdog2/pelican,liyonghelpme/myBlog,iurisilvio/pelican,catdog2/pelican,GiovanniMoretti/pelican,jo-tham/pelican,btnpushnmunky/pelican,jimperio/pelican,kernc/pelican,11craft/pelican,goerz/pelican,0xMF/pelican,simonjj/pelican,getpelican/pelican,gymglish/pelican,florianjacob/pelican,joetboole/pelican,justinmayer/pelican,lazycoder-ru/pelican,levanhien8/pelican,garbas/pelican,talha131/pelican,51itclub/pelican,gymglish/pelican,abrahamvarricatt/pelican,crmackay/pelican,Summonee/pelican,ingwinlu/pelican,11craft/pelican,11craft/pelican,TC01/pelican,douglaskastle/pelican,jimperio/pelican,levanhien8/pelican,garbas/pelican,talha131/pelican,liyonghelpme/myBlog,GiovanniMoretti/pelican,karlcow/pelican,number5/pelican,ls2uper/pelican,TC01/pelican,levanhien8/pelican,deved69/pelican-1,Rogdham/pelican,ls2uper/pelican,rbarraud/pelican,zackw/pelican,alexras/pelican,liyonghelpme/myBlog,kernc/pelican,alexras/pelican,Scheirle/pelican,avaris/pelican,Polyconseil/pelican,HyperGroups/pelican,jvehent/pelican,Summonee/pelican,ehashman/pelican,kernc/pelican,jimperio/pelican,HyperGroups/pelican,arty-name/pelican,btnpushnmunky/pelican,eevee/pelican,kennethlyn/pelican,51itclub/pelican,florianjacob/pelican,lazycoder-ru/pelican,eevee/pelican,UdeskDeveloper/pelican,kennethlyn/pelican,deanishe/pelican,lucasplus/pelican,sunzhongwei/pelican,jo-tham/pelican,simonjj/pelican,rbarraud/pelican,iurisilvio/pelican,liyonghelpme/myBlog,Summonee/pelican,zackw/pelican,garbas/pelican,joetboole/pelican,koobs/pelican,farseerfc/pelican,deanishe/pelican,iurisilvio/pelican,jvehent/pelican,GiovanniMoretti/pelican,JeremyMorgan/pelican,janaurka/git-debug-presentiation,number5/pelican,goerz/pelican,abrahamvarricatt/pelican,jvehent/pelican,deanishe/pelican,crmackay/pelican,avaris/pelican,treyhunner/pelican,goerz/pelican,ionelmc/pelican,sunzhongwei/pelican,koobs/pelican,treyhunner/pelican,deved69/pelican-1,janaurka/git-debug-presentiation,TC01/pelican,JeremyMorgan/pelican,crmackay/pelican,karlcow/pelican,florianjacob/pelican,UdeskDeveloper/pelican,Polyconseil/pelican,ehashman/pelican,51itclub/pelican,lucasplus/pelican,kennethlyn/pelican,koobs/pelican,Scheirle/pelican,zackw/pelican,sunzhongwei/pelican,Scheirle/pelican,number5/pelican,Rogdham/pelican,joetboole/pelican,Rogdham/pelican,abrahamvarricatt/pelican