Just to let you know - expect disappointment; the Necromaster build doesn't really get going until around level 5 (when you can start actually raising undead) so your probably going to be falling behind a little near the beginning.
Now to knock out a couple of these before I have to go to work (I'll help with the rest when I return);
1) Human is a good choice for any class really. If the DM is allowing non-standard races you might want to look into Aasimar - while the +1 ECL is annoying for a primary caster the +2 to both Wisdom and Charisma is very nice. Though looking at your attribute scores your already pretty solid so yeah no real reason not to just run with human.
2) Any that allows Death/Undeath really. I'd have to know what campaign setting your running in.
3) Absolutely solid. Best you can hope for really.
4) Unless it's for role-playing purposes switch Knowledge (History) with Knowledge (Arcana). Arcana let's you track down and engage magical beasts (which is something you want to be doing so very much).
5) Depends what your attempting to raise. Deadly Chill is good for certain undead that manage to get multiple attacks per round, Nimble Bones is good if you want to drown the enemy in fast evasion buggers (or just ensure they go first so you can set them up as a defensive line).
6) Languages are generally not relevant for undead because who talks to their minions? Seriously though the divine languages are a good a choice as any.
7) As a Cleric you will receive '5d4 x 10gp' as your starting monies. You'll receive a bigger pile if you are starting at a higher level then first.
8) Animate Dead? Some things of note - a lot of cleric buffs are 'mind-affecting' (such as Bless and Heroism). These spells will *not* work on undead as they are mindless. Be careful when prepping spells like that to ensure your actually able to buff your guys. Don't bother prepping 'Inflict' spell as you can sponty cast them for purposes of healing your undead. Generally because of that annoying 'undead are mindless' thing you're probably going to be running disruption (such as Command and Bane) over support spells.
As I said before I'll do a more in depth guide to being a necromancer when I get back from work. Suffice to say it comes down to knowing where to get the best corpses and how to get the most out of them.
Thank you! Since writing this up I've gotten feedback from several others and after some deliberation have decided that I'll probably end up going with a Dread Necromancer (From the Heroes of Horror book) which offer what I'm looking for and are significantly more simple for a new player to play. Regardless, tips on choosing undead and finding nice corpses to use will still be very useful info, so I do look forward to any info you have on that!