Add posibility to select used features

Now it is possilbe to chose which features will be used with classifier.
Typicaly SVM will use all possible features at once,

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Add ntuple parameter

n-tuples in svm is no longer strictly set, but can be specified by parameter

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Fix training script select query

training should be done only on english entries

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Update dataset

Articles updated

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Addeed annotation files for tweets

currently annotated 502 positive tweets and 3000+ negative

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Fix regexp finding twitter tags

Added support for @tag

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
Fix svm running script

added n_fold_cv - nfold cross validation variable

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>
mend
Add support vector output to svm.run

Signed-off-by: Tom Marek <angelo.sharpe@gmail.com>