let user select one of the folders data/, sdata/

closes #133 (closed)

assigned to @ldam

added 23 commits

• 4b641259...7861a1e0 - 16 commits from branch master
• c73be756 - return -1 if user select Abort in multi button dialog
• 7e3bc1fc - revert mseed, reftek for the selecting key to plot
• bb72a4a5 - use has_abort flag to add/not add abort button to create_multi_buttons_dialog;...
• 10c9601a - Merge branch 'master' into i166_fix_bug_in_create_multi_buttons_dialog
• 9a512221 - Merge branch 'master' into i166_fix_bug_in_create_multi_buttons_dialog
• 740dcab3 - Merge branch 'i166_fix_bug_in_create_multi_buttons_dialog' into i132_read_folder_w_data_sdata
• 818f77eb - Merge branch 'master' into i132_read_folder_w_data_sdata

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added 1 commit

• 9e4e0039 - fix param for create_multi_buttons_dialog()

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added 3 commits

• 9e4e0039...9d9865ec - 2 commits from branch master
• 4245422e - Merge branch 'master' into i132_read_folder_w_data_sdata

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requested review from @kienle

approved this merge request

added 10 commits

• 4245422e...f4b9d7aa - 8 commits from branch master
• 27f70a70 - Merge branch 'master' into i132_read_folder_w_data_sdata
• 3bb99e18 - modify error message

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added 5 commits

• 3bb99e18...0bec1099 - 4 commits from branch master
• 9c220d2d - Merge branch 'master' into i132_read_folder_w_data_sdata

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merged

mentioned in commit 465d6ed1