Adding HexG command

To go to a line number given a hex number, rather than the usual decimal
number.
Removing old commented out line
Removing Command-T plugin, in favor of Ctrl-P
Set vim background to light.

We have light terminals at work, so light terminal color schemes are
much easier to read.
Added java syntax highlighting

Since the version in CentOS is really out of date and doesn't support code folding.
Added .spec.tpl filetype recognition (spec)

For work at Cymer, since we use this file extension.
Tabs are preferred at work, so disabling them
Use default colorscheme at work.

Twilight wasn't working well, and I couldn't decide on a better one. So
sticking with the default for now.