Merge branch 'master' of git://github.com/rafaeljusto/trama into rafaeljusto-master

Conflicts:
	mux_test.go
Merge branch 'rafaeljusto-master'
Logging errors on WebResponse
Introduce the concept of templates groups
Fix tests compilation
Fix many test errors
Lock mux when parsing the templates
Adapt tests to the new template groups
Close temp file
Make funcMap a property of TemplateGroupSet
Export set's funcMap
Export some field of WebResponse to make tests easier for users of the
framework
Tests for Insert and union methods of TemplateGroupSet
- Fix FuncMap initialisation;
- Change method's receiver to pointer in TemplateGroupSet
Hide concrete types for responses
Inject the funcMap in (TemplateGroup) parse method to avoid errors in
state handling
Merge remote-tracking branch 'upstream/master'

Conflicts:
	mux_test.go