Additions & changes for next build

[xironix]

The following ports will be added:

• shells/bash-completion as per #7
• devel/doxygen
• graphics/graphviz

The following changes will be made:

• nfs_client_enable="YES" to /etc/rc.conf as per #6
• function pmw() { portmaster -BCD "whereis -qs $@" ; } and function pmfcw() { portmaster -BCD --force-config "whereis -qs $@" ; } to ~/.bash_aliases to simplify the installation of ports even more.
• Change MAKE_JOBS_NUMBER in /etc/make.conf back to a static number as per #9

[xironix]

Think I'm going to rebuild the box from scratch. Running into annoying issues. =(