Haskell support for Eclipse Files

EclipseFP Haskell 2.5.6

Release Notes


Necessary Haskell packages:

	- EclipseFP relies on BuildWrapper, a Haskell IDE library, for a lot of its functionality. See https://github.com/JPMoresmau/BuildWrapper for more information. Version 0.7.7 of buildwrapper has been validated with this version of EclipseFP
	- EclipseFP also uses scion-browser. Version 0.3.0 has been validated with this version of EclipseFP
 

Fixes:
	- Show proper types in monadic functions (like when) (http://sourceforge.net/p/eclipsefp/backlog/151/)
	- Handle Hoogle warnings
	- Avoid duplicates in Hoogle results when Local+Hackage are selected
	- Reuse search paths when opening Hoogle results
	- Set .dist-buildwrapper to derived after clean
	- Handle empty/. source dirs in cabal editor
	- Did you mean -X<Pragma>? quick fix support
	- Advanced syntax wasn't properly supported by syntax highlighting (things like family in type families, etc)
	- UUAGC_options file: support options on several lines if indented
	- Retrieve documentation in more cases on hover
	- Use different build folder when installing into sandbox
	- Fix suggestions when unknown symbol contains a quote
	
Features:
	- Enable task tags in Happy and Alex editors (https://sourceforge.net/p/eclipsefp/backlog/150/)
	- More precise marker locations on errors/warnings
	- Double click on Modules view in Browser open module web page
	- Proper Hackage search url for current package
	- Install package, show in browser, etc. contextual actions on cabal packages view
	
Internal:

Upgrade notes:
	- Upgrade via the Eclipse install site http://eclipsefp.sf.net/updates. 


Known issues:
	- There are still issues installing Hoogle database on Windows, apparently, but I'm unable to reproduce. Keep sending error messages and we'll investigate

Thanks to all bug reporters and users for their feedback.
Thanks to all the people that expressed interest in EclipseFP and want to see it stay alive and improve!