Updated version to 1.4.7-R1.0 in pom.xml for RB.
Updated version to 1.4.7-R1.1-SNAPSHOT for development towards next release.
Fix ClassCastException for malformed plugin.yml. Fixes BUKKIT-3563

If the plugin.yml gets loaded but wasn't in the form of a map, the
server would crash. This safely checks to see if it can be cast,
throwing invalid description if it cannot.
Spigot POM Changes.
Measure the duration of the entire timings run.
Add CustomTimingsHandler for adding new CraftBukkit custom timings
Add nag for bad plugins.
Revert "Deprecate methods in JavaPluginLoader and PluginClassLoader"

This reverts commit 203de4180b40f069d2c175d763476bd4ce338c76.

Conflicts:
	src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

Conflicts:
	src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
Libkit pom changes
Signed-off-by: Chris Sanders <zidane@outlook.com>
Expose server to PluginLoader.
Signed-off-by: Chris Sanders <zidane@outlook.com>