Fix Give Ammo issue #41 + Fix ClientTitleFont  for HL2,  HL2 Episodic and HL2MP mod templates

1. Fix Give Ammo in mod template HL2 and HL2 Episodic and HL2MP
This fix the issue 41 in SP & MP  source mod templates (mod_hl2 + mod_episodic + mod_hl2mp)
https://github.com/ValveSoftware/source-sdk-2013/issues/41


2. Fixed ClientTitleFont in resource/ClientScheme.res 
how it looks in mod_hl2 and mod_episodic, it looks the same in mod_hl2mp than with mod_episodic.

![mods_templates_hl2_and_episodic_gamefonttitle](https://f.cloud.github.com/assets/4679387/821574/27371d32-efdd-11e2-9638-7c975733d534.png)

you should read :  

1) My First HL2 mod
2) My first Episodic mod

This fix  Font problem  you mod tile set into the gameinfo text, is not "HALF-LIFE² ", 

* HL2EP2 font has been replaced for Trebuchet MS in mod_episodic template
* HalfLife2 Font has been replaced by Trebuchet MS in mod_hl2 template
* HL2MP font has been replaced by trebuchet MS in mod_hl2mp template


Sorry i forget to create a new branch, btw all the last commit i made are in the same pull request.
I am new to github, but i learn quickly, so next time i will not forget to create a new branch.

If there is any sort of problem to merge the committed contribution with your sdk branch, tell me that, and i will revert, and create the branch and commit again, and create a news pull request as well :)

Nicolas