Update grsec kernel build docs to latest built kernel
Update grsec kernel build docs to latest built kernel

* Updates the docs for Ubuntu Trusty (14.04.1) because we switched to it for SecureDrop 0.3
* Updates versions of grsecurity patch and linux kernel to the versions used in the most recent successful build of the grsecurity kernel
* Fixes some formatting and trailing whitespace issues

jrosco/securedrop,GabeIsman/securedrop,pwplus/securedrop,kelcecil/securedrop,pwplus/securedrop,jeann2013/securedrop,GabeIsman/securedrop,conorsch/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,chadmiller/securedrop,ageis/securedrop,pwplus/securedrop,garrettr/securedrop,micahflee/securedrop,harlo/securedrop,ageis/securedrop,jrosco/securedrop,jeann2013/securedrop,chadmiller/securedrop,garrettr/securedrop,ehartsuyker/securedrop,harlo/securedrop,harlo/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,kelcecil/securedrop,jaseg/securedrop,chadmiller/securedrop,conorsch/securedrop,jaseg/securedrop,conorsch/securedrop,ehartsuyker/securedrop,chadmiller/securedrop,garrettr/securedrop,jeann2013/securedrop,harlo/securedrop,ageis/securedrop,jaseg/securedrop,kelcecil/securedrop,conorsch/securedrop,jrosco/securedrop,micahflee/securedrop,harlo/securedrop,jeann2013/securedrop,jrosco/securedrop,garrettr/securedrop,chadmiller/securedrop,pwplus/securedrop,pwplus/securedrop,pwplus/securedrop,GabeIsman/securedrop,jeann2013/securedrop,jaseg/securedrop,micahflee/securedrop,chadmiller/securedrop,micahflee/securedrop,jrosco/securedrop,jeann2013/securedrop,jrosco/securedrop,jaseg/securedrop,harlo/securedrop,kelcecil/securedrop,ageis/securedrop,kelcecil/securedrop,GabeIsman/securedrop,GabeIsman/securedrop,heartsucker/securedrop,kelcecil/securedrop,ehartsuyker/securedrop,conorsch/securedrop,heartsucker/securedrop,jaseg/securedrop,heartsucker/securedrop,GabeIsman/securedrop,heartsucker/securedrop