added help for optimize api
added help for refresh api (and improved optimize)
made segmentsBuilder protected, doesn't bring any value to the shell
added help for segments api
fixed help for segments api
made protected getSettingsBuilder, nothing more that the already existing method, no need for it
added help for get settings api
made protected settingsUpdateBuilder, not needed for a specific index
added help for update indices settings api
added help for indices stats api
added help for indices status api
Bugfix: template is not set. Closes #37
made protected templateDeleteBuilder, no added value
added help for indices template api
made typesExistsBuilder protected, doesn't make much sense to expose it to the shell

Conflicts:
	src/main/java/org/elasticsearch/shell/client/IndicesApiClient.java
	src/main/java/org/elasticsearch/shell/client/InternalIndexClient.java
added help for types exists api
removed put warmer with SearchRequest as argument

Conflicts:
	src/main/java/org/elasticsearch/shell/client/IndicesApiClient.java
	src/main/java/org/elasticsearch/shell/client/builders/indices/PutWarmerRequestBuilder.java
hidden builder to remove warmers, no added value

Conflicts:
	src/main/java/org/elasticsearch/shell/client/InternalIndexClient.java
left only remove warmer by name or all warmers

Conflicts:
	src/main/java/org/elasticsearch/shell/client/IndicesApiClient.java
added help for warmers api