prevent segv
dynamic constant support
use \$\$ instead of ___ for constant prefixes
memcache get2 and cas functions
get2 for multi-keys too
get2 returns false for all keys not in the result
test commit of blank line
simplexml changes
dynamic defines fixed
Compilation issues with extensions
a bug in dynamic constants
The complete $$ fix.
some more fixes
fix for code-generation
remove const from build_stats
memcached_result_free and free cause a double-free
simple fixes for an xml node with only blank spaces, with param's diff
Merge branch 'ujwal-dev' of hiphop-git.zynga.com:hiphop-php
Merge branch 'ujwal-dev' of hiphop-git.zynga.com:hiphop-php

Conflicts:
	src/runtime/ext/ext_simplexml.cpp
	src/runtime/ext/ext_simplexml.h
SEG-5425 wli - Apache scoreboard support for hiphop