LIBITD-283 add basic admin HTML interface

Added Upload and download functionality on admin page.

https://issues.umd.edu/browse/LIBITD-283
LIBITD-284 add AlephRx as a target

Did some exception handling and code cleaning to handle hosts not found error.

https://issues.umd.edu/browse/LIBITD-284
Merge remote-tracking branch 'vivian/develop' into develop
Merge remote-tracking branch 'sakshi/develop' into develop
LIBITD-283 add basic admin html interface

Made minor changes to file path for xsls and added comments where required.

https://issues.umd.edu/browse/LIBITD-283
LIBITD-281. Added config in web.xml to fetch XSL location

location of actual xsls is in the filesystem of the server. So the location has to be manually specified in while developing.
context config of the server will have to be changed in production.

https://issues.umd.edu/browse/LIBITD-281
LIBITD-282. Added support for auto generating XSL.

The modification enables the wufoo-connector to identify an unknown form and create a sample xsl from the from so that it can be modified easily to fit actual requirements.

https://issues.umd.edu/browse/LIBITD-282
Merge commit 'a2a59b1d9339bd471567f8cf2c8cb17846065b74' into develop

Conflicts:
	src/main/java/edu/umd/lib/wufoosysaid/RequestBuilder.java
	src/main/java/edu/umd/lib/wufoosysaid/XSLGetter.java
	src/main/webapp/WEB-INF/web.xml
Merge remote-tracking branch 'sakshi/develop' into develop