improve: allow to redefine dcu output directory
fixed: alias for Forms is Vcl.Forms in Delphi XE
improve: make able to force compile console application
improve: Dcc32Task: populate .platform method

To allow redefine it "outside".
refactoring: rename @dcc32Tool to @dccTool (before adding Android platform support)
refactoring: move out Rake::Delphi::Dcc32Tool class to the separate module
refactoring: introduce Dcc32Task.recreate_dcc_tool method
improve: add String.starts_with? method
improve: use <project>.dpr without full path

As far as some dcc compiler's do not "understand" full path.
Also, dcc is run in .dpr's folder.
improve: introduce `dcc_options` option

Also, DccTool.options.
refactoring: envvariables.rb: public/private sections
improve: dcc32Tool: trace messages
fixed: envvariables: var is not expanded if set in different case
improve: name libs task after appropriate owner task
refactoring: projectinfo: call super method
improve: add Rake::Task.reenable_chain helper method

To reenable task AND its prerequisites.
Add compilation for Android platform

Required environment variables and its values examples see in
rake-delphi-cygwin.env.sh file.
Bump to v0.0.11

v0.0.10 contains redundant files. Avoid using it.