Extract file system based functions into template loaders
added test with include
export loaders
Move loader files, rename, add path resolving to memory loader
Don't use class-based loaders, update some documentation
Add page for template loader docs, fix typo
add basic filesystem tests
Extract file system based functions into template loaders
added test with include
export loaders
Move loader files, rename, add path resolving to memory loader
Don't use class-based loaders, update some documentation
Add page for template loader docs, fix typo
add basic filesystem tests
Docs
Fix base path lookups, add to memory loader
Merge branch 'feature/template-loaders' of github.com:paularmstrong/swig into feature/template-loaders

Conflicts:
	docs/docs/loaders.html
	lib/loaders/filesystem.js
	lib/loaders/index.js
	lib/loaders/memory.js
	lib/swig.js
	tests/loaders.test.js
Merge branch 'master' into feature/template-loaders
Merge branch 'master' into feature/template-loaders