Fixing Unit Tests
Syntax highlighting and unit test fixes.
Added missing testhelpers.fs file
add helpers

Helper code copied from a similar plugin for the Dart language.
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Your branch is up-to-date with 'origin/master'.
#
# Changes to be committed:
#	new file:   .gitattributes
#	new file:   sublime_plugin_lib/__init__.py
#	new file:   sublime_plugin_lib/collections.py
#	new file:   sublime_plugin_lib/filter.py
#	new file:   sublime_plugin_lib/fs_completion.py
#	new file:   sublime_plugin_lib/io.py
#	new file:   sublime_plugin_lib/panels.py
#	new file:   sublime_plugin_lib/path.py
#	new file:   sublime_plugin_lib/plat.py
#	new file:   sublime_plugin_lib/sublime.py
#	new file:   sublime_plugin_lib/subprocess.py
#	new file:   sublime_plugin_lib/text.py
#
Merge pull request #795 from fsharp/new-sublime-helpers

add helpers for Sublime Text plugin
improve syntax definition

- also, edit Sublime project file to exclude folders
hightlight 'when' keyword
Merge pull request #801 from fsharp/fix-syntax-def

improve syntax definition
ignore files; use LF terminator for some files on Windows
edit sublime project file
remove old files, add new Python module
Merge pull request #806 from 7sharp9/fixes

Fixes for syntax highlighting (from ashtonkj)
Merge pull request #803 from fsharp/edit-repo-config

Edit repo config (1/3)
Merge pull request #804 from fsharp/refactor-reorg-files

Refactor reorg files (2/3)
Switch to using Xamarin packages for Travis build
Merge pull request #809 from rneatherway/travis-xamarin-repo

Switch to using Xamarin packages for Travis build
Move templates to their own import.

This should allow the project to open properly in windows as well as
reduce IDE clutter.
Change tabs to spaces
Move F# XS addin specific files from Fsharp.CompilerBinding into the addin direct.
Correct Tests FSC reference and add missing project file.
Return exception message on project parsing fail